Exam 5: What Is Test Reliabilityprecision

Which one of the following methods of estimating reliability/precision requires dividing the test into halves and then correlating the set of individual test scores on the first half with the set of individual test scores on the second half?

Ivan conducted a reliability study for a test of computer skills. His results were a coefficient alpha of .95 and a test-retest r of .85 (4 weeks). Interpret these results including explaining why the reliability coefficients might have been different.

Which one of the following formulas is used when two halves of one test is used to adjust the reliability coefficient?

When a test developer gives the same test to the same group of test takers on two different occasions, the developer is gathering evidence of ______.

What is Dr. Jonah using when she gives students a math achievement test today and a different version of the same test in 2 months?

Since the PAI requires test takers to provide ratings on a response scale that has four options--False, Not at all true, Slightly true, Mainly true, and Very true--the appropriate formula for estimating internal consistency is ______.

Effective test administration is likely to ______.

Judy wants to estimate the internal consistency of a survey on which the respondent marks (1) Not at all, (2) Sometimes, (3) Most of the time, or (4) Always. Which one of the following is most appropriate for her to use?

Which one of the following statements is TRUE about error?

How do researchers and test developers identify systematic error in test scores?

Which one of the following is used to provide an index of the strength and direction of the linear relationship between the two sets of scores?

Define reliability and describe three methods for estimating the reliability of a psychological test and its scores.

An employment test for the job of sales manager that measures knowledge of sales theory, interpersonal skills, and ability to use text messaging is ______.

The Spearman Brown formula is used when calculating ______.

Evidence of reliability/precision indicates that ______.

What do we call two forms of a test that are comparable in every way?