Both convergent and discriminating evidence are essential for Both convergent an

Question

Both convergent and discriminating evidence are essential for

Both convergent and discriminating evidence are essential for
Both convergent and discriminating evidence are essential for A Z score of 3 is approximately how many standard deviations above the mean? 0a.0 b.3 O c. 6 O d. 99 QUESTION 45 Which of the following is true of the parallel forms method? O a. It is the most often used method for estimating reliability. O b. It provides one of the most rigorous methods for estimating reliability O c. It is largely ineffective with psychological tests O d. Sophisticated computer programs have made it unnecessary QUESTION 46 A validity coefficient is (e) a, the correlation between a test and the validity criterion. Lnorlntion hetween the test and the validity criterion

Explanation / Answer

*Both convergent and discriminating evidence are essential for construct validity.

Construct validity is extend or degree to which a test measures what it intends or claims to measure. Convergent evidence determines the level of similarity between the constructs or items, while, discriminating evidence determines the level of dissimilarity between the constructs or item. To establish construct validity both are necessary.

Question 45

Parallel form method is one of a method to determine the reliability of a test. In this method, two forms of test as alternates are constructed measuring the same thing and is given to the same group after some time. The major drawback of this method is that it requires multiple items designed to measure the same construct, hence, is better for achievement testing, but, cannot be applied for subjective testing.

Answer. Option c. It is largely ineffective with psychological testing.

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