Paper 1 · Research Aptitude
UGC NET December 2021 June 2022 (13.10.2022) Shift-I
Given below are two statements. Statement I: If the length of a psychological test is increased, it improves both reliability and validity. Statement II: The score of a test can be interpreted without referring to its norm. In the light of the above statements, choose the most appropriate answer from the options given below.
- Statement I: Increasing the length of a psychological test improves both reliability and validity.
- Statement II: The score of a test can be interpreted without referring to its norm.
ABoth Statement I and Statement II are correct
BBoth Statement I and Statement II are incorrect
CStatement I is correct but Statement II is incorrect ✓ Correct
DStatement I is incorrect but Statement II is correct
Correct answer: (C) Statement I is correct but Statement II is incorrect — The answer is that Statement I is correct but Statement II is incorrect.
Explanation
★The answer is that Statement I is correct but Statement II is incorrect.
★Adding more good items to a test raises both its reliability and its validity.
★So Statement I is correct.
★A raw score has meaning only when compared against the test's norms.
★So it cannot be interpreted without referring to its norm, making Statement II incorrect.
★Thus only the first statement holds.
★So the answer is that Statement I is correct but Statement II is incorrect.
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