Assessment of Learning: Item Analysis - Blogger.
The Item Analysis output consists of four parts: A summary of test statistics, a test frequency distribution, an item quintile table, and item statistics. This analysis can be processed for an entire class. If it is of interest to compare the item analysis for different test forms, then the analysis can be processed by test form.
Unit 9. Item Analysis of Classroom Tests: Aims and Simplified Procedures. Aim: How well did my test distinguish among students according to the how well they met my learning goals?. Recall that each item on your test is intended to sample performance on a particular learning outcome.
Item analysis refers to a mixed group of statistics that are computed for each item on a test. The item analysis helps to determine the role of each items with respect to the entire test. The main purpose of item analysis is to improve tests by revising or eliminating ineffective items. An.
TABLEOFCONTENTS-Continued CHAPTER PAGE IV. RESULTS 53 ItemSelection 54 DoubleCross-Validation 69 Comparisonofthe15ItemTestsonPrecision 69.
After writing preliminary test items, researchers use item analysis to assess the quality of individual items and of the test as a whole. To unlock this lesson you must be a Study.com Member.
Item discrimination is used to determine how well an item is able to discriminate between good and poor students. Item discrimination values range from -1 to 1. A value of -1 means that the item discriminates perfectly except in the wrong direction. This value would tell us that the weaker students performed better on an item than the better.
Advantages of the Essay Tests: 1. It is relatively easier to prepare and administer a six-question extended- response essay test than to prepare and administer a comparable 60-item multiple-choice test items. 2. It is the only means that can assess an examinee’s ability to organise and present his ideas in a logical and coherent fashion. 3.