WebThe discrimination index correlated positively with the difficulty index ( r =0.563, P = 0.010, significant at 0.01 level [two-tailed]). The maximum discrimination ( D = 0.5–0.6) was observed in acceptable range ( P = 30–70%). Discussion The effective measurement of knowledge acquired is an important component of medical education. WebThe facility index of item No. 10 is 82%. The best way to describes item number 10 is _____. A. Moderately difficult item C. Very Difficult Item B. Difficult item D. Very easy item. 21. Teacher Daryl gave a test in Physics Item number 5 has a difficulty index of 0.85 and discrimination index of -0.10. What should teacher Daryl do?
Development and validation of a questionnaire to self-assess …
WebDifficulty index is the proportion or probability that candidates, or students, will answer a test item correctly. Generally, more difficult items have a lower percentage, or P-value. … WebNov 25, 2013 · In classical test theory, a common item statistic is the item’s difficulty index, or “p value.”Given many psychometricians’ notoriously poor spelling, might this be due to thinking that “difficulty” starts with p?. … can under 15s watch a 15 film with parents
What does a negative discrimination index mean - ihoctot.com
WebThis means that low item difficulty values (e.g., 28, 56) indicate difficult items, since only a small percentage of students got the item correct. ... It helps to gauge this difficulty … WebRemember, difficulty level-- the standard range is 0.25 to 0.75. That discrimination index-- the standard is usually 0.20 or higher. So when we look back at item one, we just … WebDetermine the Difficulty Index by dividing the number who got it correct by the total number of students. For Question #1, this would be 8/10 or p=.80. ... We can see that Question #2 had a difficulty index of .30 (meaning it was quite difficult), and it also had a negative … The quiz contained 10 questions. In the table below, the students’ scores have … The quiz contained 10 questions. In the table below, the students’ scores have … A. Bloom's Taxonomy Questions (items) on quizzes and exams can demand … can under 21 drink with parents in new york