{"id":1101,"date":"2024-04-10T13:22:27","date_gmt":"2024-04-10T10:22:27","guid":{"rendered":"https:\/\/sisu.ut.ee\/lcms_method_validation\/?page_id=1101"},"modified":"2024-04-10T13:22:27","modified_gmt":"2024-04-10T10:22:27","slug":"self-test-5-2a","status":"publish","type":"page","link":"https:\/\/sisu.ut.ee\/lcms_method_validation\/self-test-5-2a\/","title":{"rendered":"Self test 5.2A"},"content":{"rendered":"<div id=\"watupro_quiz\" class=\"quiz-area single-page-quiz\">\n<p id=\"submittingExam1\" style=\"display:none;text-align:center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sisu.ut.ee\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\"><\/p>\n\n\n\n<form action=\"\" method=\"post\" class=\"quiz-form\" id=\"quiz-1\" enctype=\"multipart\/form-data\">\n<div class=\"watu-question \" id=\"question-1\" style=\";\"><div id=\"questionWrap-1\" class=\"   watupro-question-id-1\">\n\t\t\t<div class=\"question-content\"><div><span class=\"watupro_num\">1. <\/span>What is bias?<\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_1\" value=\"1\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType1\" class=\"answerTypeCnt1\" value=\"checkbox\"><!-- end question-content--><\/div><div class=\"question-choices watupro-choices-columns \" id=\"questionChoices1\"><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-1[]\" id=\"answer-id-1\" class=\"answer   answerof-1 \" value=\"1\"><label for=\"answer-id-1\" id=\"answer-label-1\" class=\" answer\"><span><div class=\"O1\">Difference between the measured value and the true value<\/div><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-1[]\" id=\"answer-id-2\" class=\"answer   answerof-1 \" value=\"2\"><label for=\"answer-id-2\" id=\"answer-label-2\" class=\" answer\"><span><div class=\"O1\">Difference between the measured value and a reference value<\/div><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-1[]\" id=\"answer-id-3\" class=\"answer   answerof-1 \" value=\"3\"><label for=\"answer-id-3\" id=\"answer-label-3\" class=\" answer\"><span><div class=\"O1\">Difference between the mean of a large number of replicate measured values and the true value<\/div><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-1[]\" id=\"answer-id-4\" class=\"answer   answerof-1 \" value=\"4\"><label for=\"answer-id-4\" id=\"answer-label-4\" class=\" answer\"><span><div class=\"O1\">Difference between the mean of a large number of replicate measured values and a reference value<\/div><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-1[]\" id=\"answer-id-5\" class=\"answer   answerof-1 \" value=\"5\"><label for=\"answer-id-5\" id=\"answer-label-5\" class=\" answer\"><span><p>An estimate of a systematic measurement error<\/p><\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div>\t\t\t\t\t<div style=\"display:none;\" id=\"liveResult-1\">\t\t   \n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sisu.ut.ee\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\" alt=\"Loading...\" title=\"Loading...\">\u00a0Loading...\t\t\t\t\t<\/div>\t\n\t\t\t<\/div> \n\t   \t<p id=\"liveResBtn-1\" style=\"clear:both;\"><input type=\"button\" id=\"liveResultBtn1\" class=\"liveResultBtn1 watupro-live-result-btn\" value=\"See Answer\" onclick=\"WatuPRO.liveResult(1, 1);\"><\/p>\n\t   <div class=\"watu-question \" id=\"question-2\" style=\";\"><div id=\"questionWrap-2\" class=\"   watupro-question-id-2\">\n\t\t\t<div class=\"question-content\"><p><span class=\"watupro_num\">2. <\/span>Choose the correct answer from the drop-down menu for each case: short-term bias, not a bias or long-term bias.<\/p>\n<ul>\n<li>All the results of a specific day are systematically influenced by the calibration graph of that day <select name=\"gap_2_1\" class=\"watupro-gap answer answerof-2\"><option value=\"\"><\/option><option value=\"not a bias\">not a bias<\/option><option value=\"long-term bias\">long-term bias<\/option><option value=\"short-term bias\">short-term bias<\/option><\/select><\/li>\n<li>Delicate analyte partially decomposes during sample preparation leading to lowered results <select name=\"gap_2_2\" class=\"watupro-gap answer answerof-2\"><option value=\"\"><\/option><option value=\"not a bias\">not a bias<\/option><option value=\"long-term bias\">long-term bias<\/option><option value=\"short-term bias\">short-term bias<\/option><\/select><\/li>\n<li>The titrant concentration determined on a particular day is slightly lower or higher than the true concentration <select name=\"gap_2_3\" class=\"watupro-gap answer answerof-2\"><option value=\"\"><\/option><option value=\"not a bias\">not a bias<\/option><option value=\"long-term bias\">long-term bias<\/option><option value=\"short-term bias\">short-term bias<\/option><\/select><\/li>\n<li>Because of the specifics of the used sample preparation procedure the sample is digested incompletely, leading to lowered values <select name=\"gap_2_4\" class=\"watupro-gap answer answerof-2\"><option value=\"\"><\/option><option value=\"not a bias\">not a bias<\/option><option value=\"long-term bias\">long-term bias<\/option><option value=\"short-term bias\">short-term bias<\/option><\/select><\/li>\n<li>During titrations we get every time slightly different result as previously <select name=\"gap_2_5\" class=\"watupro-gap answer answerof-2\"><option value=\"\"><\/option><option value=\"long-term bias\">long-term bias<\/option><option value=\"short-term bias\">short-term bias<\/option><option value=\"not a bias\">not a bias<\/option><\/select><\/li>\n<\/ul>\n<input type=\"hidden\" name=\"question_id[]\" id=\"qID_2\" value=\"2\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType2\" class=\"answerTypeCnt2\" value=\"gaps\"><!-- end question-content--><\/div><!-- end questionWrap--><\/div>\t\t\t\t\t<div style=\"display:none;\" id=\"liveResult-2\">\t\t   \n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sisu.ut.ee\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\" alt=\"Loading...\" title=\"Loading...\">\u00a0Loading...\t\t\t\t\t<\/div>\t\n\t\t\t<\/div> \n\t   \t<p id=\"liveResBtn-2\" style=\"clear:both;\"><input type=\"button\" id=\"liveResultBtn2\" class=\"liveResultBtn2 watupro-live-result-btn\" value=\"See Answer\" onclick=\"WatuPRO.liveResult(2, 2);\"><\/p>\n\t   <div class=\"watu-question \" id=\"question-3\" style=\";\"><div id=\"questionWrap-3\" class=\"   watupro-question-id-3\">\n\t\t\t<div class=\"question-content\"><div><span class=\"watupro_num\">3. <\/span>Does bias depend on the time frame?<\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_3\" value=\"3\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType3\" class=\"answerTypeCnt3\" value=\"radio\"><!-- end question-content--><\/div><div class=\"question-choices watupro-choices-columns \" id=\"questionChoices3\"><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-3[]\" id=\"answer-id-7\" class=\"answer   answerof-3 \" value=\"7\"><label for=\"answer-id-7\" id=\"answer-label-7\" class=\" answer\"><span><div>Yes, bias determined within a single day is different from one determined on different days (and averaged)<\/div><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-3[]\" id=\"answer-id-8\" class=\"answer   answerof-3 \" value=\"8\"><label for=\"answer-id-8\" id=\"answer-label-8\" class=\" answer\"><span><p>No<\/p><\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div>\t\t\t\t\t<div style=\"display:none;\" id=\"liveResult-3\">\t\t   \n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sisu.ut.ee\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\" alt=\"Loading...\" title=\"Loading...\">\u00a0Loading...\t\t\t\t\t<\/div>\t\n\t\t\t<\/div> \n\t   \t<p id=\"liveResBtn-3\" style=\"clear:both;\"><input type=\"button\" id=\"liveResultBtn3\" class=\"liveResultBtn3 watupro-live-result-btn\" value=\"See Answer\" onclick=\"WatuPRO.liveResult(3, 3);\"><\/p>\n\t   <div class=\"watu-question \" id=\"question-4\" style=\";\"><div id=\"questionWrap-4\" class=\"   watupro-question-id-4\">\n\t\t\t<div class=\"question-content\"><p><span class=\"watupro_num\">4. <\/span>Which effects are systematic within day and which are systematic in long term?<\/p>\n<table style=\"border-collapse: collapse;\" border=\"1\">\n<tbody>\n<tr>\n<td style=\"border: 1px solid black;\"><strong>Effect<\/strong><\/td>\n<td style=\"width: 150px; border: 1px solid black;\"><strong>Systematic within day<\/strong><\/td>\n<td style=\"width: 150px; border: 1px solid black;\"><strong>Systematic in long term<\/strong><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid black;\">Calibration graph of a specific day<\/td>\n<td style=\"border: 1px solid black;\"><select name=\"gap_4_1\" class=\"watupro-gap answer answerof-4\"><option value=\"\"><\/option><option value=\"rather no\">rather no<\/option><option value=\"rather yes\">rather yes<\/option><option value=\"no\">no<\/option><option value=\"yes\">yes<\/option><\/select><\/td>\n<td style=\"border: 1px solid black;\"><select name=\"gap_4_2\" class=\"watupro-gap answer answerof-4\"><option value=\"\"><\/option><option value=\"rather no\">rather no<\/option><option value=\"no\">no<\/option><option value=\"rather yes\">rather yes<\/option><option value=\"yes\">yes<\/option><\/select><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid black;\">Injection volume of autosampler is 5% higher than nominal<\/td>\n<td style=\"border: 1px solid black;\"><select name=\"gap_4_3\" class=\"watupro-gap answer answerof-4\"><option value=\"\"><\/option><option value=\"rather yes\">rather yes<\/option><option value=\"rather no\">rather no<\/option><option value=\"no\">no<\/option><option value=\"yes\">yes<\/option><\/select><\/td>\n<td style=\"border: 1px solid black;\"><select name=\"gap_4_4\" class=\"watupro-gap answer answerof-4\"><option value=\"\"><\/option><option value=\"rather yes\">rather yes<\/option><option value=\"no\">no<\/option><option value=\"yes\">yes<\/option><option value=\"rather no\">rather no<\/option><\/select><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid black;\">Delicate analyte partially decomposes at room temperature before samples are loaded into cooled autosampler<\/td>\n<td style=\"border: 1px solid black;\"><select name=\"gap_4_5\" class=\"watupro-gap answer answerof-4\"><option value=\"\"><\/option><option value=\"yes\">yes<\/option><option value=\"rather yes\">rather yes<\/option><option value=\"rather no\">rather no<\/option><option value=\"no\">no<\/option><\/select><\/td>\n<td style=\"border: 1px solid black;\"><select name=\"gap_4_6\" class=\"watupro-gap answer answerof-4\"><option value=\"\"><\/option><option value=\"rather no\">rather no<\/option><option value=\"no\">no<\/option><option value=\"yes\">yes<\/option><option value=\"rather yes\">rather yes<\/option><\/select><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid black;\">Repeatability of peak integration<\/td>\n<td style=\"border: 1px solid black;\"><select name=\"gap_4_7\" class=\"watupro-gap answer answerof-4\"><option value=\"\"><\/option><option value=\"yes\">yes<\/option><option value=\"rather no\">rather no<\/option><option value=\"rather yes\">rather yes<\/option><option value=\"no\">no<\/option><\/select><\/td>\n<td style=\"border: 1px solid black;\"><select name=\"gap_4_8\" class=\"watupro-gap answer answerof-4\"><option value=\"\"><\/option><option value=\"rather yes\">rather yes<\/option><option value=\"yes\">yes<\/option><option value=\"no\">no<\/option><option value=\"rather no\">rather no<\/option><\/select><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid black;\">Ionization suppression in the ESI source by a co-eluting compound<\/td>\n<td style=\"border: 1px solid black;\"><select name=\"gap_4_9\" class=\"watupro-gap answer answerof-4\"><option value=\"\"><\/option><option value=\"rather no\">rather no<\/option><option value=\"rather yes\">rather yes<\/option><option value=\"yes\">yes<\/option><option value=\"no\">no<\/option><\/select><\/td>\n<td style=\"border: 1px solid black;\"><select name=\"gap_4_10\" class=\"watupro-gap answer answerof-4\"><option value=\"\"><\/option><option value=\"rather yes\">rather yes<\/option><option value=\"rather no\">rather no<\/option><option value=\"no\">no<\/option><option value=\"yes\">yes<\/option><\/select><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid black;\">Baseline noise<\/td>\n<td style=\"border: 1px solid black;\"><select name=\"gap_4_11\" class=\"watupro-gap answer answerof-4\"><option value=\"\"><\/option><option value=\"rather yes\">rather yes<\/option><option value=\"rather no\">rather no<\/option><option value=\"no\">no<\/option><option value=\"yes\">yes<\/option><\/select><\/td>\n<td style=\"border: 1px solid black;\"><select name=\"gap_4_12\" class=\"watupro-gap answer answerof-4\"><option value=\"\"><\/option><option value=\"no\">no<\/option><option value=\"yes\">yes<\/option><option value=\"rather no\">rather no<\/option><option value=\"rather yes\">rather yes<\/option><\/select><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<input type=\"hidden\" name=\"question_id[]\" id=\"qID_4\" value=\"4\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType4\" class=\"answerTypeCnt4\" value=\"gaps\"><!-- end question-content--><\/div><!-- end questionWrap--><\/div>\t\t\t\t\t<div style=\"display:none;\" id=\"liveResult-4\">\t\t   \n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sisu.ut.ee\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\" alt=\"Loading...\" title=\"Loading...\">\u00a0Loading...\t\t\t\t\t<\/div>\t\n\t\t\t<\/div> \n\t   \t<p id=\"liveResBtn-4\" style=\"clear:both;\"><input type=\"button\" id=\"liveResultBtn4\" class=\"liveResultBtn4 watupro-live-result-btn\" value=\"See Answer\" onclick=\"WatuPRO.liveResult(4, 4);\"><\/p>\n\t   <div class=\"watu-question \" id=\"question-5\" style=\";\"><div id=\"questionWrap-5\" class=\"   watupro-question-id-5\">\n\t\t\t<div class=\"question-content\"><div><span class=\"watupro_num\">5. <\/span>Which are important issues in determining bias?<\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_5\" value=\"5\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType5\" class=\"answerTypeCnt5\" value=\"checkbox\"><!-- end question-content--><\/div><div class=\"question-choices watupro-choices-columns \" id=\"questionChoices5\"><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-5[]\" id=\"answer-id-10\" class=\"answer   answerof-5 \" value=\"10\"><label for=\"answer-id-10\" id=\"answer-label-10\" class=\" answer\"><span><p>Sufficient number of replicates<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-5[]\" id=\"answer-id-11\" class=\"answer   answerof-5 \" value=\"11\"><label for=\"answer-id-11\" id=\"answer-label-11\" class=\" answer\"><span><p>Sufficiently long timeframe<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-5[]\" id=\"answer-id-12\" class=\"answer   answerof-5 \" value=\"12\"><label for=\"answer-id-12\" id=\"answer-label-12\" class=\" answer\"><span><p>Homogeneous sample<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-5[]\" id=\"answer-id-13\" class=\"answer   answerof-5 \" value=\"13\"><label for=\"answer-id-13\" id=\"answer-label-13\" class=\" answer\"><span><p>Matrix match<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-5[]\" id=\"answer-id-14\" class=\"answer   answerof-5 \" value=\"14\"><label for=\"answer-id-14\" id=\"answer-label-14\" class=\" answer\"><span><p>Concentration range match<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-5[]\" id=\"answer-id-15\" class=\"answer   answerof-5 \" value=\"15\"><label for=\"answer-id-15\" id=\"answer-label-15\" class=\" answer\"><span><p>Determination of bias can be hindered by large random effects<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-5[]\" id=\"answer-id-16\" class=\"answer   answerof-5 \" value=\"16\"><label for=\"answer-id-16\" id=\"answer-label-16\" class=\" answer\"><span><p>Reliable reference value<\/p><\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div>\t\t\t\t\t<div style=\"display:none;\" id=\"liveResult-5\">\t\t   \n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sisu.ut.ee\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\" alt=\"Loading...\" title=\"Loading...\">\u00a0Loading...\t\t\t\t\t<\/div>\t\n\t\t\t<\/div> \n\t   \t<p id=\"liveResBtn-5\" style=\"clear:both;\"><input type=\"button\" id=\"liveResultBtn5\" class=\"liveResultBtn5 watupro-live-result-btn\" value=\"See Answer\" onclick=\"WatuPRO.liveResult(5, 5);\"><\/p>\n\t   <div class=\"watu-question \" id=\"question-6\" style=\";\"><div id=\"questionWrap-6\" class=\"   watupro-question-id-6\">\n\t\t\t<div class=\"question-content\"><p><span class=\"watupro_num\">6. <\/span>When we should use different bias types?<\/p>\n<p>\u00a0<\/p>\n<table style=\"border-collapse: collapse; border: 1px solid black;\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td class=\"oa1\" style=\"border: 1px solid black;\">Way of expressing<\/td>\n<td class=\"oa2\" style=\"border: 1px solid black;\">Formula<\/td>\n<td class=\"oa2\" style=\"border: 1px solid black;\">When to use?<\/td>\n<\/tr>\n<tr>\n<td class=\"oa3\" style=\"border: 1px solid black;\">Absolute bias<\/td>\n<td class=\"oa4\" style=\"border: 1px solid black;\">bias=C<sub>lab_mean<\/sub>-C<sub>ref<\/sub><\/td>\n<td class=\"oa4\" style=\"border: 1px solid black;\"><select name=\"gap_6_1\" class=\"watupro-gap answer answerof-6\"><option value=\"\"><\/option><option value=\"If bias is proportional to concentration\">If bias is proportional to concentration<\/option><option value=\"Spiking - bias is proportional\">Spiking - bias is proportional<\/option><option value=\"Sample with ref value when bias is proportional\">Sample with ref value when bias is proportional<\/option><option value=\"If bias is absolute or the C range is narrow\">If bias is absolute or the C range is narrow<\/option><\/select><\/td>\n<\/tr>\n<tr>\n<td class=\"oa5\" style=\"border: 1px solid black;\">Relative bias<\/td>\n<td class=\"oa6\" style=\"border: 1px solid black;\">bias=(C<sub>lab_mean<\/sub>-C<sub>ref<\/sub>)\/C<sub>ref<\/sub><\/td>\n<td class=\"oa6\" style=\"border: 1px solid black;\"><select name=\"gap_6_2\" class=\"watupro-gap answer answerof-6\"><option value=\"\"><\/option><option value=\"If bias is absolute or the C range is narrow\">If bias is absolute or the C range is narrow<\/option><option value=\"If bias is proportional to concentration\">If bias is proportional to concentration<\/option><option value=\"Sample with ref value when bias is proportional\">Sample with ref value when bias is proportional<\/option><option value=\"Spiking - bias is proportional\">Spiking - bias is proportional<\/option><\/select><\/td>\n<\/tr>\n<tr>\n<td class=\"oa3\" style=\"border: 1px solid black;\">Recovery<\/td>\n<td class=\"oa4\" style=\"border: 1px solid black;\">R=C<sub>uncorrected<\/sub>\/C<sub>ref<\/sub><\/td>\n<td class=\"oa4\" style=\"border: 1px solid black;\"><select name=\"gap_6_3\" class=\"watupro-gap answer answerof-6\"><option value=\"\"><\/option><option value=\"Sample with ref value when bias is proportional\">Sample with ref value when bias is proportional<\/option><option value=\"If bias is absolute or the C range is narrow\">If bias is absolute or the C range is narrow<\/option><option value=\"Spiking - bias is proportional\">Spiking - bias is proportional<\/option><option value=\"If bias is proportional to concentration\">If bias is proportional to concentration<\/option><\/select><\/td>\n<\/tr>\n<tr>\n<td class=\"oa5\" style=\"border: 1px solid black;\">Recovery<\/td>\n<td class=\"oa6\" style=\"border: 1px solid black;\">R=(C<sub>1<\/sub>-C<sub>0<\/sub>)\/\u0394C<\/td>\n<td class=\"oa6\" style=\"border: 1px solid black;\"><select name=\"gap_6_4\" class=\"watupro-gap answer answerof-6\"><option value=\"\"><\/option><option value=\"If bias is absolute or the C range is narrow\">If bias is absolute or the C range is narrow<\/option><option value=\"Spiking - bias is proportional\">Spiking - bias is proportional<\/option><option value=\"Sample with ref value when bias is proportional\">Sample with ref value when bias is proportional<\/option><option value=\"If bias is proportional to concentration\">If bias is proportional to concentration<\/option><\/select><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<input type=\"hidden\" name=\"question_id[]\" id=\"qID_6\" value=\"6\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType6\" class=\"answerTypeCnt6\" value=\"gaps\"><!-- end question-content--><\/div><!-- end questionWrap--><\/div>\t\t\t\t\t<div style=\"display:none;\" id=\"liveResult-6\">\t\t   \n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sisu.ut.ee\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\" alt=\"Loading...\" title=\"Loading...\">\u00a0Loading...\t\t\t\t\t<\/div>\t\n\t\t\t<\/div> \n\t   \t<p id=\"liveResBtn-6\" style=\"clear:both;\"><input type=\"button\" id=\"liveResultBtn6\" class=\"liveResultBtn6 watupro-live-result-btn\" value=\"See Answer\" onclick=\"WatuPRO.liveResult(6, 6);\"><\/p>\n\t   <div class=\"watu-question \" id=\"question-7\" style=\";\"><div id=\"questionWrap-7\" class=\"   watupro-question-id-7\">\n\t\t\t<div class=\"question-content\"><div><span class=\"watupro_num\">7. <\/span>Two analysts determined meropenem (an antibiotic) in blood plasma. Both needed to determine the recovery of the procedure.\u00a0Which analyst did it more correctly?<\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_7\" value=\"7\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType7\" class=\"answerTypeCnt7\" value=\"radio\"><!-- end question-content--><\/div><div class=\"question-choices watupro-choices-columns \" id=\"questionChoices7\"><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-7[]\" id=\"answer-id-18\" class=\"answer   answerof-7 \" value=\"18\"><label for=\"answer-id-18\" id=\"answer-label-18\" class=\" answer\"><span><p>Analyst 1 took 500 \u03bcL of the blank plasma and added 400 \u03bcL of methanol for protein precipitation. He separated the precipitated proteins by centrifugation and transferred the supernatant into an HPLC vial. 100 \u03bcL of meropenem standard solution with suitable concentration was added to the supernatant and the resulting solution was injected into the HPLC system for analysis.<\/p><p><\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-7[]\" id=\"answer-id-19\" class=\"answer   answerof-7 \" value=\"19\"><label for=\"answer-id-19\" id=\"answer-label-19\" class=\" answer\"><span><p>Analyst 2 took 500 \u03bcL of the blank plasma, added 100 \u03bcL of meropenem standard solution and mixed well. She then added 500 \u03bcL of methanol for protein precipitation. She separated the precipitated proteins by centrifugation and injected the resulting supernatant into the HPLC system for analysis.<\/p><p><\/p><\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div>\t\t\t\t\t<div style=\"display:none;\" id=\"liveResult-7\">\t\t   \n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sisu.ut.ee\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\" alt=\"Loading...\" title=\"Loading...\">\u00a0Loading...\t\t\t\t\t<\/div>\t\n\t\t\t<\/div> \n\t   \t<p id=\"liveResBtn-7\" style=\"clear:both;\"><input type=\"button\" id=\"liveResultBtn7\" class=\"liveResultBtn7 watupro-live-result-btn\" value=\"See Answer\" onclick=\"WatuPRO.liveResult(7, 7);\"><\/p>\n\t   <div class=\"watu-question \" id=\"question-8\" style=\";\"><div id=\"questionWrap-8\" class=\"   watupro-question-id-8\">\n\t\t\t<div class=\"question-content\"><span class=\"watupro_num\">8. <\/span>What do the parts of the figure marked with numbers mean?<br>\r\n<br>\r\n<img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"275\" class=\"alignnone wp-image-730\" title=\"st_5.1.3_new.png\" src=\"https:\/\/multisite.ut.ee\/wp-content\/uploads\/sites\/130\/st_5.1.3_new.png\" alt=\"Bias and related concepts\" srcset=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/130\/st_5.1.3_new.png 480w, https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/130\/st_5.1.3_new-300x172.png 300w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\"><div class=\"question-choices\"><table class=\"question-choices watupro-matrix-droppable\" id=\"watuPROMatrixDroppable_8\"><tr><td class=\"watupro-matrix-left-cell\">1<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable8\" id=\"watuPRODroppableCell20\"><div class=\"question-choices\"><div class=\"watupro-matrix-right\"><div id=\"watuproNMatrixSelection-0-0\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-0\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell20', 0);return false;\">Reference value<!--WTPMD582a697b90895aef65977b80deab10d14--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-0-1\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-1\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell20', 1);return false;\">Uncertainty range of Ci (Ci \u2013 U \u2026 Ci + U)<!--WTPMD585444ee99ab947c5b14be6719223b8e0--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-0-2\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-2\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell20', 2);return false;\">Bias<!--WTPMD54ad6b9e6418fd2d739906bd47e887ae3--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-0-3\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-3\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell20', 3);return false;\">Repeatability\/Reproducibility<!--WTPMD56276f85c6c301e480ba40573f4efa6d9--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-0-4\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-4\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell20', 4);return false;\">Mean measured value<!--WTPMD5c9133dfdd3f1680bb93fde8d20077ab5--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-0-5\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-5\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell20', 5);return false;\">Individual measured value<!--WTPMD5fc704a1f1c1f1c8a72983ac89b57b0eb--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-8 watupro-nmatrix-answer-field\" id=\"field-watuPRODroppableCell20\" name=\"matrix-left-20\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">2<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable8\" id=\"watuPRODroppableCell21\"><div class=\"question-choices\"><div class=\"watupro-matrix-right\"><div id=\"watuproNMatrixSelection-1-0\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-0\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell21', 0);return false;\">Reference value<!--WTPMD582a697b90895aef65977b80deab10d14--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-1-1\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-1\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell21', 1);return false;\">Uncertainty range of Ci (Ci \u2013 U \u2026 Ci + U)<!--WTPMD585444ee99ab947c5b14be6719223b8e0--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-1-2\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-2\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell21', 2);return false;\">Bias<!--WTPMD54ad6b9e6418fd2d739906bd47e887ae3--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-1-3\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-3\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell21', 3);return false;\">Repeatability\/Reproducibility<!--WTPMD56276f85c6c301e480ba40573f4efa6d9--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-1-4\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-4\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell21', 4);return false;\">Mean measured value<!--WTPMD5c9133dfdd3f1680bb93fde8d20077ab5--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-1-5\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-5\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell21', 5);return false;\">Individual measured value<!--WTPMD5fc704a1f1c1f1c8a72983ac89b57b0eb--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-8 watupro-nmatrix-answer-field\" id=\"field-watuPRODroppableCell21\" name=\"matrix-left-21\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">3<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable8\" id=\"watuPRODroppableCell22\"><div class=\"question-choices\"><div class=\"watupro-matrix-right\"><div id=\"watuproNMatrixSelection-2-0\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-0\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell22', 0);return false;\">Reference value<!--WTPMD582a697b90895aef65977b80deab10d14--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-2-1\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-1\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell22', 1);return false;\">Uncertainty range of Ci (Ci \u2013 U \u2026 Ci + U)<!--WTPMD585444ee99ab947c5b14be6719223b8e0--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-2-2\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-2\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell22', 2);return false;\">Bias<!--WTPMD54ad6b9e6418fd2d739906bd47e887ae3--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-2-3\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-3\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell22', 3);return false;\">Repeatability\/Reproducibility<!--WTPMD56276f85c6c301e480ba40573f4efa6d9--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-2-4\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-4\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell22', 4);return false;\">Mean measured value<!--WTPMD5c9133dfdd3f1680bb93fde8d20077ab5--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-2-5\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-5\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell22', 5);return false;\">Individual measured value<!--WTPMD5fc704a1f1c1f1c8a72983ac89b57b0eb--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-8 watupro-nmatrix-answer-field\" id=\"field-watuPRODroppableCell22\" name=\"matrix-left-22\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">4<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable8\" id=\"watuPRODroppableCell23\"><div class=\"question-choices\"><div class=\"watupro-matrix-right\"><div id=\"watuproNMatrixSelection-3-0\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-0\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell23', 0);return false;\">Reference value<!--WTPMD582a697b90895aef65977b80deab10d14--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-3-1\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-1\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell23', 1);return false;\">Uncertainty range of Ci (Ci \u2013 U \u2026 Ci + U)<!--WTPMD585444ee99ab947c5b14be6719223b8e0--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-3-2\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-2\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell23', 2);return false;\">Bias<!--WTPMD54ad6b9e6418fd2d739906bd47e887ae3--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-3-3\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-3\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell23', 3);return false;\">Repeatability\/Reproducibility<!--WTPMD56276f85c6c301e480ba40573f4efa6d9--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-3-4\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-4\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell23', 4);return false;\">Mean measured value<!--WTPMD5c9133dfdd3f1680bb93fde8d20077ab5--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-3-5\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-5\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell23', 5);return false;\">Individual measured value<!--WTPMD5fc704a1f1c1f1c8a72983ac89b57b0eb--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-8 watupro-nmatrix-answer-field\" id=\"field-watuPRODroppableCell23\" name=\"matrix-left-23\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">5<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable8\" id=\"watuPRODroppableCell24\"><div class=\"question-choices\"><div class=\"watupro-matrix-right\"><div id=\"watuproNMatrixSelection-4-0\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-0\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell24', 0);return false;\">Reference value<!--WTPMD582a697b90895aef65977b80deab10d14--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-4-1\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-1\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell24', 1);return false;\">Uncertainty range of Ci (Ci \u2013 U \u2026 Ci + U)<!--WTPMD585444ee99ab947c5b14be6719223b8e0--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-4-2\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-2\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell24', 2);return false;\">Bias<!--WTPMD54ad6b9e6418fd2d739906bd47e887ae3--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-4-3\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-3\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell24', 3);return false;\">Repeatability\/Reproducibility<!--WTPMD56276f85c6c301e480ba40573f4efa6d9--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-4-4\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-4\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell24', 4);return false;\">Mean measured value<!--WTPMD5c9133dfdd3f1680bb93fde8d20077ab5--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-4-5\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-5\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell24', 5);return false;\">Individual measured value<!--WTPMD5fc704a1f1c1f1c8a72983ac89b57b0eb--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-8 watupro-nmatrix-answer-field\" id=\"field-watuPRODroppableCell24\" name=\"matrix-left-24\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">6<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable8\" id=\"watuPRODroppableCell25\"><div class=\"question-choices\"><div class=\"watupro-matrix-right\"><div id=\"watuproNMatrixSelection-5-0\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-0\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell25', 0);return false;\">Reference value<!--WTPMD582a697b90895aef65977b80deab10d14--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-5-1\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-1\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell25', 1);return false;\">Uncertainty range of Ci (Ci \u2013 U \u2026 Ci + U)<!--WTPMD585444ee99ab947c5b14be6719223b8e0--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-5-2\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-2\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell25', 2);return false;\">Bias<!--WTPMD54ad6b9e6418fd2d739906bd47e887ae3--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-5-3\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-3\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell25', 3);return false;\">Repeatability\/Reproducibility<!--WTPMD56276f85c6c301e480ba40573f4efa6d9--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-5-4\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-4\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell25', 4);return false;\">Mean measured value<!--WTPMD5c9133dfdd3f1680bb93fde8d20077ab5--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-5-5\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-5\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell25', 5);return false;\">Individual measured value<!--WTPMD5fc704a1f1c1f1c8a72983ac89b57b0eb--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-8 watupro-nmatrix-answer-field\" id=\"field-watuPRODroppableCell25\" name=\"matrix-left-25\" value=\"\"><\/td><\/tr><\/table><\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_8\" value=\"8\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType8\" class=\"answerTypeCnt8\" value=\"nmatrix\"><!-- end question-content--><\/div><!-- end questionWrap--><\/div>\t\t\t\t\t<div style=\"display:none;\" id=\"liveResult-8\">\t\t   \n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sisu.ut.ee\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\" alt=\"Loading...\" title=\"Loading...\">\u00a0Loading...\t\t\t\t\t<\/div>\t\n\t\t\t<\/div> \n\t   \t<p id=\"liveResBtn-8\" style=\"clear:both;\"><input type=\"button\" id=\"liveResultBtn8\" class=\"liveResultBtn8 watupro-live-result-btn\" value=\"See Answer\" onclick=\"WatuPRO.liveResult(8, 8);\"><\/p>\n\t   <div style=\"display:none\" id=\"question-9\">\n\t<div class=\"question-content\">\n\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sisu.ut.ee\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\" alt=\"Loading...\" title=\"Loading...\">\u00a0Loading...\t<\/div>\n<\/div>\n\n<br>\n\t\n\t\t\t<div class=\"watupro_buttons flex \" id=\"watuPROButtons1\">\n\t\t  <div id=\"prev-question\" style=\"display:none;\"><input type=\"button\" value=\"&lt; Previous\" onclick=\"WatuPRO.nextQuestion(event, 'previous');\"><\/div>\t\t  \t\t  \t\t   \n\t\t   \t  \t\t<div><input type=\"button\" name=\"action\" class=\"watupro-submit-button\" onclick=\"WatuPRO.submitResult(event)\" id=\"action-button\" value=\"View Results\">\n\t\t<\/div>\n\t\t<\/div>\n\t\t\n\t<input type=\"hidden\" name=\"quiz_id\" value=\"1\" id=\"watuPROExamID\">\n\t<input type=\"hidden\" name=\"start_time\" id=\"startTime\" value=\"2026-04-19 05:32:44\">\n\t<input type=\"hidden\" name=\"start_timestamp\" id=\"startTimeStamp\" value=\"1776576764\">\n\t<input type=\"hidden\" name=\"question_ids\" value=\"\">\n\t<input type=\"hidden\" name=\"watupro_questions\" value=\"1:1,2,3,4,5 | 2: | 3:7,8 | 4: | 5:10,11,12,13,14,15,16 | 6: | 7:18,19 | 8:20,21,22,23,24,25\">\n\t<input type=\"hidden\" name=\"no_ajax\" value=\"0\">\t\t\t<\/form>\n\t<p>\u00a0<\/p>\n<\/div>\n\n<script type=\"text\/javascript\">\n\/\/jQuery(document).ready(function(){\ndocument.addEventListener(\"DOMContentLoaded\", function(event) { \t\nvar question_ids = \"1,2,3,4,5,6,7,8\";\nWatuPROSettings[1] = {};\nWatuPRO.qArr = question_ids.split(',');\nWatuPRO.exam_id = 1;\t    \nWatuPRO.post_id = 1101;\nWatuPRO.store_progress = 0;\nWatuPRO.curCatPage = 1;\nWatuPRO.requiredIDs=\"0\".split(\",\");\nWatuPRO.hAppID = \"0.54494300 1776565964\";\nvar url = 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\n<\/script>\n\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":280,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-1101","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/sisu.ut.ee\/lcms_method_validation\/wp-json\/wp\/v2\/pages\/1101","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sisu.ut.ee\/lcms_method_validation\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sisu.ut.ee\/lcms_method_validation\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sisu.ut.ee\/lcms_method_validation\/wp-json\/wp\/v2\/users\/280"}],"replies":[{"embeddable":true,"href":"https:\/\/sisu.ut.ee\/lcms_method_validation\/wp-json\/wp\/v2\/comments?post=1101"}],"version-history":[{"count":1,"href":"https:\/\/sisu.ut.ee\/lcms_method_validation\/wp-json\/wp\/v2\/pages\/1101\/revisions"}],"predecessor-version":[{"id":1102,"href":"https:\/\/sisu.ut.ee\/lcms_method_validation\/wp-json\/wp\/v2\/pages\/1101\/revisions\/1102"}],"wp:attachment":[{"href":"https:\/\/sisu.ut.ee\/lcms_method_validation\/wp-json\/wp\/v2\/media?parent=1101"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}