Discussion
Sandeep use psychological test for his research. The interpretation process of test was so difficult that's why he faced problems. This experience of Sandeep about test because of ..................... criterion weakness.
Answer: C
The weakness is in the criterion of usability.
Usability (practicability) concerns how practical a test is to use: ease of administration, ease and objectivity of scoring, ease of interpretation and application of the results, time and cost. A test whose results are hard to interpret causes exactly the difficulty Sandeep faced, however good the test is in other respects.
Validity is whether the test measures what it claims to, adequacy whether it samples the content sufficiently, and discrimination power whether its items distinguish good from weak candidates. None of them is about difficulty of interpretation.
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