Exam 5: Reliability

The fact that cultural factors may be operating to weaken an item's ability to discriminate between groups is evident from:

The greater the proportion of the total variance attributed to true variance,the more ____________ the test.

Internal-consistency estimates of reliability are inappropriate for

A coefficient alpha over .9 may indicate that

If a device to measure blood pressure consistently overestimated every assessee's actual blood pressure by 10 units,which of the following would be TRUE of the reliability of this measuring device as the years passed?

Coefficient alpha is appropriate to use with all of the following test formats EXCEPT

When more than two scorers are used to determine inter-scorer reliability,the statistic of choice is

Which of the following is TRUE for parallel forms of a test?

The precise amount of error inherent in the reliability estimate published in a test manual will vary with

Which is TRUE about reliability in the psychometric sense?

The Spearman-Brown formula is used for:

An estimate of test-retest reliability is often referred to as a coefficient of stability when the time interval between the test and retest is more than

The "20" and "21" in KR-20 and KR-21 represent

If a time limit is long enough to allow test-takers to attempt all items,and if some items are so difficult that no test-taker is able to obtain a perfect score,then the test is referred to as a ________ test.

In general,which of the following is TRUE of the relationship between the magnitude of the test-retest reliability estimate and the length of the interval between test administrations?

IRT is a term used to refer to

As the degree of reliability increases,the proportion of

A reliability coefficient is

In classical test theory,an observed score on an ability test is presumed to represent the testtaker's

As used in Chapter 5 of your text,the term inflation of variance is synonymous with