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Discussion

Read each of the following two statements, Assertion (A) and Reason (R). And indicate your answer using the codes given below :

Assertion (A) : In the later part of his life Spearman observed that in a certain set of tests each test correlates higher with other tests within the set but lower with tests in other such sets.
Reason (R) : This may be because of "group factors" which are of moderate degree of generality.
Codes :

  • A.Both (A) and (R) are true and (R) is the correct explanation of (A).
  • B.Both (A) and (R) are true, but (R) is not the correct explanation of (A).
  • C.(A) is true, but (R) is false.
  • D.(A) is false, but (R) is true.

Answer: A

Both statements are true and the reason explains the assertion: Both (A) and (R) are true and (R) is the correct explanation of (A).

Spearman first proposed a general factor g and specific factors. Later he saw that some tests correlate more with each other than with tests of other sets (A). He explained this by group factors, which are moderately general (R), so the reason accounts for the observed clustering.

The other options deny one of the statements or the link, which does not agree with his later modification.

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