BCP Psychometric Concepts and Test Theory Questions and Answers

Question 1

What does reliability refer to in psychological testing?

Accepted Answer

The consistency of test scores across repeated administrations

Answer

The accuracy with which a test measures what it is intended to measure

Answer

The degree to which test items represent the content domain

Answer

The extent to which test results predict future performance

Question 2

Which type of reliability is measured by correlating scores from two administrations of the same test separated by a time interval?

Accepted Answer

Test-retest reliability

Answer

Inter-rater reliability

Answer

Internal consistency

Answer

Split-half reliability

Question 3

A test with a mean of 100 and a standard deviation of 15 is using which score scale?

Accepted Answer

Standard scores (deviation IQ type)

Answer

T-scores

Answer

Scaled scores

Answer

Percentile ranks

Question 4

What is the primary purpose of the Standard Error of Measurement (SEM)?

Accepted Answer

Estimating the range within which an examinee's true score likely falls

Answer

Calculating the mean score for a normative sample

Answer

Determining the reliability coefficient of a test

Answer

Comparing the validity of two different tests

Question 5

A percentile rank of 75 indicates that the examinee:

Accepted Answer

Scored higher than 75% of the normative sample

Answer

Answered 75% of items correctly

Answer

Obtained a raw score of 75

Answer

Performed 75 points above the normative mean

Question 6

Which type of validity evidence is gathered by examining whether test content adequately represents the domain being assessed?

Accepted Answer

Content validity

Answer

Criterion validity

Answer

Construct validity

Answer

Convergent validity

Question 7

A 'ceiling effect' in testing occurs when:

Accepted Answer

Items are too easy, causing scores to cluster near the maximum

Answer

Items are too difficult, causing most examinees to score near zero

Answer

The testing environment is too hot and affects concentration

Answer

The normative sample was too small to be representative