ATP ATP Psychometrics & Score Interpretation

Question 1

What does 'reliability' mean in the context of educational and psychological testing?

Accepted Answer

The consistency of test scores across repeated administrations or parallel forms

Answer

Reliability refers to the consistency of test scores, meaning the test produces similar results under similar conditions.

Question 2

What is 'Cronbach's alpha' used to measure?

Accepted Answer

Internal consistency reliability of a test

Answer

Cronbach's alpha measures the internal consistency reliability of a test, indicating how well items measure the same construct.

Question 3

What is the 'standard error of measurement' (SEM)?

Accepted Answer

An estimate of the variability in a test score due to measurement error

Answer

The SEM estimates the amount of error in an individual test score, indicating the range within which a true score likely falls.

Question 4

What is a 'norm-referenced' test?

Accepted Answer

A test where scores are interpreted relative to the performance of a comparison group

Answer

Norm-referenced tests compare an examinee's performance to that of a normative sample rather than to an absolute standard.

Question 5

What does a 'criterion-referenced' test measure?

Accepted Answer

Whether an examinee has mastered a defined set of skills or knowledge

Answer

Criterion-referenced tests evaluate whether an examinee has achieved a predetermined level of performance on a defined content domain.

ATP - Association of Test Publishers Practice Test