Discussion
Which of the following is a correct order of steps in test construction ?
(1) Development of norms
(2) Identification of construct
(3) Item analysis
(4) Validity analysis
(5) Test-retest reliability analysis
Answer: A
The correct order is (2) identification of construct, (3) item analysis, (5) test-retest reliability, (4) validity analysis, (1) development of norms.
Test construction starts by defining the construct to be measured and writing items. A tryout follows, with item analysis (difficulty and discrimination) to select the final items. The final form is then checked for reliability, for example by test-retest, and for validity, since a test must be reliable before it can be valid. Norms are developed last, on a standardisation sample, so that individual scores can be interpreted.
Options starting with item analysis or with norms put a later stage before the construct has even been defined.
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