{"id":936,"date":"2022-11-03T22:11:00","date_gmt":"2022-11-03T20:11:00","guid":{"rendered":"https:\/\/support.centreforelites.com\/characteristics-of-a-good-test\/"},"modified":"2023-04-25T17:47:34","modified_gmt":"2023-04-25T15:47:34","slug":"characteristics-of-a-good-test","status":"publish","type":"post","link":"https:\/\/support.centreforelites.com\/ru\/characteristics-of-a-good-test\/","title":{"rendered":"CHARACTERISTICS OF A GOOD TEST"},"content":{"rendered":"<p style=\"line-height: 18.4px; margin: 12pt 0cm; text-align: justify;\"><span style=\"font-family: 'Times New Roman', serif;\">The most important step in most testing exercises is to select a test that is clearly focused on the ability to be tested. Another important step is to ensure that the designed\u00a0<\/span><span style=\"font-family: 'Times New Roman', serif;\">test\u00a0<\/span><span style=\"font-family: 'Times New Roman', serif;\">is a sound one that will yield information of real value.<\/span><\/p>\n<p style=\"line-height: 18.4px; margin: 12pt 0cm; text-align: justify;\">\n<div style=\"clear: both; text-align: center;\"><a style=\"margin-left: 1em; margin-right: 1em;\" href=\"https:\/\/i0.wp.com\/blog.qorrectassess.com\/wp-content\/uploads\/2021\/12\/7-Characteristics-of-a-good-test-in-education.png?ssl=1\"><img data-recalc-dims=\"1\" fetchpriority=\"high\" decoding=\"async\" title=\"CHARACTERISTICS OF A GOOD TEST\" src=\"https:\/\/i0.wp.com\/blog.qorrectassess.com\/wp-content\/uploads\/2021\/12\/7-Characteristics-of-a-good-test-in-education.png?resize=640%2C307&#038;ssl=1\" alt=\"CHARACTERISTICS OF A GOOD TEST\" width=\"640\" height=\"307\" border=\"0\" data-original-height=\"384\" data-original-width=\"800\" \/><\/a><\/div>\n<p><span style=\"font-family: 'Times New Roman', serif;\">Based on this quality, there are some characteristics that should be taken into account when setting a quality or test. The characteristics of a good test are features that a test should have if it is to be real, trustworthy and informative. To ascertain that a given test is sound and has real value, the following are the features to consider:<\/span><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-69d8d5da4947c\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-69d8d5da4947c\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/support.centreforelites.com\/ru\/characteristics-of-a-good-test\/#a_Reliability\" >(a)\u00a0\u00a0\u00a0\u00a0Reliability<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/support.centreforelites.com\/ru\/characteristics-of-a-good-test\/#b_Validity\" >(b)\u00a0\u00a0\u00a0Validity<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/support.centreforelites.com\/ru\/characteristics-of-a-good-test\/#Comparability\" >Comparability<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/support.centreforelites.com\/ru\/characteristics-of-a-good-test\/#STANDARDIZATIONNORMS\" >STANDARDIZATION\/NORMS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/support.centreforelites.com\/ru\/characteristics-of-a-good-test\/#e_Discrimination\" >(e)\u00a0\u00a0\u00a0\u00a0Discrimination<\/a><\/li><\/ul><\/nav><\/div>\n<h3 style=\"line-height: 21.528px; text-indent: -18pt;\"><span class=\"ez-toc-section\" id=\"a_Reliability\"><\/span><b><span style=\"font-family: 'Times New Roman', serif; font-size: 11pt; line-height: 16.8667px;\">(a)<span style=\"font-family: 'Times New Roman'; font-size: 7pt; font-stretch: normal; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: normal; line-height: normal;\">\u00a0\u00a0\u00a0\u00a0<\/span><\/span><\/b><b><span style=\"font-family: 'Times New Roman', serif; font-size: 11pt; line-height: 16.8667px;\">Reliability<\/span><\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"line-height: 18.4px; margin: 12pt 0cm; text-align: justify;\"><span style=\"font-family: 'Times New Roman', serif;\">An <a href=\"https:\/\/kanyarwandamugisha.blogspot.com\/2022\/11\/educational-assessment.html\" target=\"_blank\" rel=\"noopener\">assessment<\/a> is considered reliable when the same results occur regardless of when the <a href=\"https:\/\/kanyarwandamugisha.blogspot.com\/2022\/11\/educational-assessment.html\">assessment<\/a> occurs or who does the scoring. There should be compelling evidence to show that results are consistent (test results consistency)<\/span><\/p>\n<p style=\"line-height: 18.4px; margin: 12pt 0cm; text-align: justify;\"><b><span style=\"font-family: 'Times New Roman', serif;\">Importance of test <a href=\"https:\/\/support.centreforelites.com\/ru\/reliability-and-validity-of-measurement\/\">reliability<\/a><\/span><\/b><\/p>\n<p style=\"line-height: 18.4px; margin: 12pt 0cm 12pt 36pt; text-align: justify; text-indent: -18pt;\"><span style=\"font-family: Symbol; font-size: 10pt; line-height: 15.3333px;\">\u00b7<span style=\"font-family: 'Times New Roman'; font-size: 7pt; font-stretch: normal; font-variant-east-asian: normal; font-variant-numeric: normal; line-height: normal;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/span><span style=\"font-family: 'Times New Roman', serif; font-size: 11pt; line-height: 16.8667px;\">It helps Stakeholders to draw firm conclusions from the results as to which Ways of improve on test reliability<\/span><\/p>\n<p style=\"line-height: 18.4px; margin: 12pt 0cm 12pt 36pt; text-align: justify; text-indent: -18pt;\"><span style=\"font-family: Symbol; font-size: 10pt; line-height: 15.3333px;\">\u00b7<span style=\"font-family: 'Times New Roman'; font-size: 7pt; font-stretch: normal; font-variant-east-asian: normal; font-variant-numeric: normal; line-height: normal;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/span><span style=\"font-family: 'Times New Roman', serif; font-size: 11pt; line-height: 16.8667px;\">It helps teachers to include test items that discriminate among candidates so that no one gets all the items correct or incorrect o Tester to use objective scoring procedures<\/span><\/p>\n<p style=\"line-height: 18.4px; margin: 12pt 0cm 12pt 36pt; text-align: justify; text-indent: -18pt;\"><span style=\"font-family: Symbol; font-size: 10pt; line-height: 15.3333px;\">\u00b7<span style=\"font-family: 'Times New Roman'; font-size: 7pt; font-stretch: normal; font-variant-east-asian: normal; font-variant-numeric: normal; line-height: normal;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/span><span style=\"font-family: 'Times New Roman', serif; font-size: 11pt; line-height: 16.8667px;\">It helps tester to include a good number of test items (a longer test generally is better than a shorter one)<\/span><\/p>\n<p style=\"line-height: 18.4px; margin: 12pt 0cm; text-align: justify;\"><span style=\"font-family: 'Times New Roman', serif;\">\u00a0<\/span><\/p>\n<p style=\"line-height: 18.4px; margin: 12pt 0cm; text-align: justify;\"><span style=\"font-family: 'Times New Roman', serif;\">A good test should be highly reliable. This means that the test should give similar results even though different testers administer it. A reliable test should be able to give a consistent score from one occasion to another for the individual or group irrespective of the person who administers it.<\/span><\/p>\n<h3 style=\"line-height: 21.528px; text-indent: -18pt;\"><span class=\"ez-toc-section\" id=\"b_Validity\"><\/span><b><span style=\"font-family: 'Times New Roman', serif; font-size: 11pt; line-height: 16.8667px;\">(b)<span style=\"font-family: 'Times New Roman'; font-size: 7pt; font-stretch: normal; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: normal; line-height: normal;\">\u00a0\u00a0\u00a0<\/span><\/span><\/b><b><span style=\"font-family: 'Times New Roman', serif; font-size: 11pt; line-height: 16.8667px;\">Validity<\/span><\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"line-height: 18.4px; margin: 12pt 0cm; text-align: justify;\"><span style=\"font-family: 'Times New Roman', serif;\">A valid <a href=\"https:\/\/kanyarwandamugisha.blogspot.com\/2022\/11\/educational-assessment.html\">assessment<\/a> is one which measures what it is intended to measure. The validity in other words is the quality of a test to measure what it is meant to measure<\/span><\/p>\n<p style=\"line-height: 18.4px; margin: 12pt 0cm; text-align: justify;\"><span style=\"font-family: 'Times New Roman', serif;\">A valid test must cover the whole syllabus. The marks or grades that are given on an examination can only have a meaning if the test\/examination is valid.<\/span><\/p>\n<p style=\"line-height: 18.4px; margin: 12pt 0cm; text-align: justify;\"><b><span style=\"font-family: 'Times New Roman', serif;\">Types of validity<\/span><\/b><\/p>\n<p style=\"line-height: 18.4px; margin: 12pt 0cm 12pt 25.1pt; text-align: justify; text-indent: -18pt;\"><span style=\"font-family: 'Times New Roman', serif; font-size: 11pt; line-height: 16.8667px;\">a.<span style=\"font-family: 'Times New Roman'; font-size: 7pt; font-stretch: normal; font-variant-east-asian: normal; font-variant-numeric: normal; line-height: normal;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/span><b><span style=\"font-family: 'Times New Roman', serif; font-size: 11pt; line-height: 16.8667px;\">content validity<\/span><\/b><span style=\"font-family: 'Times New Roman', serif; font-size: 11pt; line-height: 16.8667px;\">\u00a0&#8211; measures the degree to which the content of a test samples broadly across the domain of interest<\/span><\/p>\n<p style=\"line-height: 18.4px; margin: 12pt 0cm 12pt 25.1pt; text-align: justify; text-indent: -18pt;\"><span style=\"font-family: 'Times New Roman', serif; font-size: 11pt; line-height: 16.8667px;\">b.<span style=\"font-family: 'Times New Roman'; font-size: 7pt; font-stretch: normal; font-variant-east-asian: normal; font-variant-numeric: normal; line-height: normal;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/span><b><span style=\"font-family: 'Times New Roman', serif; font-size: 11pt; line-height: 16.8667px;\">predictive validity<\/span><\/b><span style=\"font-family: 'Times New Roman', serif; font-size: 11pt; line-height: 16.8667px;\">\u00a0&#8211; measures the degree to which the test can predict some future outcome, such as job performance or school success eg high student grade can predict future good performance<\/span><\/p>\n<p style=\"line-height: 18.4px; margin: 12pt 0cm 12pt 25.1pt; text-align: justify; text-indent: -18pt;\"><span style=\"font-family: 'Times New Roman', serif; font-size: 11pt; line-height: 16.8667px;\">c.<span style=\"font-family: 'Times New Roman'; font-size: 7pt; font-stretch: normal; font-variant-east-asian: normal; font-variant-numeric: normal; line-height: normal;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/span><b><span style=\"font-family: 'Times New Roman', serif; font-size: 11pt; line-height: 16.8667px;\">construct validity<\/span><\/b><span style=\"font-family: 'Times New Roman', serif; font-size: 11pt; line-height: 16.8667px;\">\u00a0&#8211; measures how well the test applies to particular theoretical scheme or construct.<\/span><\/p>\n<p style=\"line-height: 18.4px; margin: 12pt 0cm 12pt 25.1pt; text-align: justify; text-indent: -18pt;\"><span style=\"font-family: 'Times New Roman', serif; font-size: 11pt; line-height: 16.8667px;\">d.<span style=\"font-family: 'Times New Roman'; font-size: 7pt; font-stretch: normal; font-variant-east-asian: normal; font-variant-numeric: normal; line-height: normal;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/span><b><span style=\"font-family: 'Times New Roman', serif; font-size: 11pt; line-height: 16.8667px;\">Criterion validity<\/span><\/b><span style=\"font-family: 'Times New Roman', serif; font-size: 11pt; line-height: 16.8667px;\">\u00a0&#8211; measures the how well test scores correlate with an independent measure (criterion) of whatever the test is supposed to assess.<\/span><\/p>\n<p style=\"line-height: 18.4px; margin: 12pt 0cm; text-align: justify;\"><span style=\"font-family: 'Times New Roman', serif;\">If the test achieves what the originators intended it to achieve, it is a valid test.<\/span><\/p>\n<p style=\"line-height: 18.4px; margin: 12pt 0cm; text-align: justify;\"><b><span style=\"font-family: 'Times New Roman', serif;\">N.B<\/span><\/b><span style=\"font-family: 'Times New Roman', serif;\">: There is a connection between the validity and the reliability of a test.<\/span><\/p>\n<h3 style=\"line-height: 21.528px; margin: 12pt 0cm; text-align: justify;\"><span class=\"ez-toc-section\" id=\"Comparability\"><\/span><b style=\"text-align: left; text-indent: -18pt;\"><span style=\"font-family: 'Times New Roman', serif; font-size: 11pt; line-height: 16.8667px;\">Comparability<\/span><\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"line-height: 18.4px; margin: 12pt 0cm; text-align: justify;\"><span style=\"font-family: 'Times New Roman', serif;\">The test should be able to compare the achievement of one pupil to another.<\/span><\/p>\n<p style=\"line-height: 18.4px; margin: 12pt 0cm; text-align: justify;\"><span style=\"font-family: 'Times New Roman', serif;\">The comparability of standards in tests\/examinations is very important. This would bring consistency in examination results and hence instil public interest confidence. To insure this, the following should be observed:<\/span><\/p>\n<p style=\"line-height: 18.4px; margin: 12pt 0cm 12pt 32.2pt; text-align: justify; text-indent: -18pt;\"><span style=\"font-family: Symbol; font-size: 11pt; line-height: 16.8667px;\">\u00b7<span style=\"font-family: 'Times New Roman'; font-size: 7pt; font-stretch: normal; font-variant-east-asian: normal; font-variant-numeric: normal; line-height: normal;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/span><span style=\"font-family: 'Times New Roman', serif; font-size: 11pt; line-height: 16.8667px;\">Test specifications should be followed each time test items are being prepared.<\/span><\/p>\n<p style=\"line-height: 18.4px; margin: 12pt 0cm 12pt 32.2pt; text-align: justify; text-indent: -18pt;\"><span style=\"font-family: Symbol; font-size: 11pt; line-height: 16.8667px;\">\u00b7<span style=\"font-family: 'Times New Roman'; font-size: 7pt; font-stretch: normal; font-variant-east-asian: normal; font-variant-numeric: normal; line-height: normal;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/span><span style=\"font-family: 'Times New Roman', serif; font-size: 11pt; line-height: 16.8667px;\">Copies of current syllabi should be used when preparing test items.<\/span><\/p>\n<p style=\"line-height: 18.4px; margin: 12pt 0cm 12pt 32.2pt; text-align: justify; text-indent: -18pt;\"><span style=\"font-family: Symbol; font-size: 11pt; line-height: 16.8667px;\">\u00b7<span style=\"font-family: 'Times New Roman'; font-size: 7pt; font-stretch: normal; font-variant-east-asian: normal; font-variant-numeric: normal; line-height: normal;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/span><span style=\"font-family: 'Times New Roman', serif; font-size: 11pt; line-height: 16.8667px;\">Copies of past examination papers of the subject of test items being set should be used for reference.<\/span><\/p>\n<p style=\"line-height: 18.4px; margin: 12pt 0cm 12pt 32.2pt; text-align: justify; text-indent: -18pt;\"><span style=\"font-family: Symbol; font-size: 11pt; line-height: 16.8667px;\">\u00b7<span style=\"font-family: 'Times New Roman'; font-size: 7pt; font-stretch: normal; font-variant-east-asian: normal; font-variant-numeric: normal; line-height: normal;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/span><span style=\"font-family: 'Times New Roman', serif; font-size: 11pt; line-height: 16.8667px;\">The format of the examination should remain the same.<\/span><\/p>\n<p style=\"line-height: 18.4px; margin: 12pt 0cm 12pt 32.05pt; text-align: justify; text-indent: -17.85pt;\"><span style=\"font-family: Symbol; font-size: 11pt; line-height: 16.8667px;\">\u00b7<span style=\"font-family: 'Times New Roman'; font-size: 7pt; font-stretch: normal; font-variant-east-asian: normal; font-variant-numeric: normal; line-height: normal;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/span><span style=\"font-family: 'Times New Roman', serif; font-size: 11pt; line-height: 16.8667px;\">Moderators should be used to check the comparability of the test items to previous years.<\/span><\/p>\n<h3 style=\"line-height: 21.528px; margin: 12pt 0cm 12pt 36pt; text-indent: -18pt;\"><span class=\"ez-toc-section\" id=\"STANDARDIZATIONNORMS\"><\/span><b><span style=\"font-family: 'Times New Roman', serif; font-size: 11pt; line-height: 16.8667px;\">STANDARDIZATION\/NORMS<\/span><\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"line-height: 18.4px; margin: 12pt 0cm; text-align: justify;\"><span style=\"font-family: 'Times New Roman', serif;\">In addition to reliability and validity, good tests need norms. Norms are sets of scores obtained by representative groups of people for whom the test is intended.<\/span><\/p>\n<p style=\"line-height: 18.4px; margin: 12pt 0cm; text-align: justify;\">\n<div style=\"clear: both; text-align: center;\"><a style=\"margin-left: 1em; margin-right: 1em;\" href=\"https:\/\/i0.wp.com\/st2.depositphotos.com\/1005979\/8844\/i\/950\/depositphotos_88446158-stock-photo-standardize-word-collage.jpg?ssl=1\"><img data-recalc-dims=\"1\" decoding=\"async\" title=\"Standardization and Norms of tests\" src=\"https:\/\/i0.wp.com\/st2.depositphotos.com\/1005979\/8844\/i\/950\/depositphotos_88446158-stock-photo-standardize-word-collage.jpg?resize=640%2C404&#038;ssl=1\" alt=\"CHARACTERISTICS OF A GOOD TEST\" width=\"640\" height=\"404\" border=\"0\" data-original-height=\"505\" data-original-width=\"800\" \/><\/a><\/div>\n<p><span style=\"font-family: 'Times New Roman', serif;\">This is where testing, scoring and <\/span><a style=\"font-family: 'Times New Roman', serif;\" href=\"https:\/\/connect.springerpub.com\/content\/book\/978-0-8261-3575-9\/part\/part03\/chapter\/ch12\" target=\"_blank\" rel=\"noopener\">interpretation procedures<\/a><span style=\"font-family: 'Times New Roman', serif;\"> are the same across all administrations of the test. E.g. everyone who takes the test receives the same instructions, uses the same answer sheet, and has to complete the test within the same specified period of time. Norms are sets of scores or standards obtained by representative groups of people for whom the test is intended. These should be the same.<\/span><\/p>\n<h3 style=\"line-height: 21.528px; margin-top: 12pt; text-indent: -18pt;\"><span class=\"ez-toc-section\" id=\"e_Discrimination\"><\/span><b><span style=\"font-family: 'Times New Roman', serif; font-size: 11pt; line-height: 16.8667px;\">(e)<span style=\"font-family: 'Times New Roman'; font-size: 7pt; font-stretch: normal; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: normal; line-height: normal;\">\u00a0\u00a0\u00a0\u00a0<\/span><\/span><\/b><b><span style=\"font-family: 'Times New Roman', serif; font-size: 11pt; line-height: 16.8667px;\">Discrimination<\/span><\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"line-height: 18.4px; margin: 12pt 0cm; text-align: justify;\"><span style=\"font-family: 'Times New Roman', serif;\">A good test should be able to discriminate good performing pupils from the bad performing ones in terms of performance. i.e. it should give below average, average and above average performers.<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>The characteristics of a good test are features that a test should have if it is to be real, trustworthy and informative. 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