PC Score Reporting and Interpretation

Question 1

A test-taker receives a percentile rank of 82. What does this score indicate?

Accepted Answer

The test-taker scored higher than 82% of the norm group

Answer

A percentile rank of 82 means the examinee scored higher than 82% of the individuals in the reference norm group.

Question 2

What is a raw score in the context of educational and psychological testing?

Accepted Answer

The total number of items answered correctly without transformation

Answer

A raw score is simply the unadjusted count of correct responses before any statistical transformation is applied.

Question 3

A psychometrician converts raw scores to a scale with a mean of 500 and standard deviation of 100. What type of score is being created?

Accepted Answer

Standard scale score

Answer

A standard scale score is a transformed score placed on a fixed scale with a defined mean and standard deviation, such as 500/100 used in many large-scale assessments.

Question 4

What is the primary purpose of the Standard Error of Measurement (SEM) in a score report?

Accepted Answer

To estimate the range within which a test-taker's true score likely falls

Answer

The SEM quantifies measurement error, allowing practitioners to construct confidence intervals around an observed score to estimate where the true score likely lies.

Question 5

In score reporting, what does a 'norm group' refer to?

Accepted Answer

The reference population used to give meaning to a score

Answer

A norm group is the representative sample of individuals whose scores serve as a reference for interpreting an examinee's performance.

PC - Psychometrics Certification Practice Test

PC - Psychometrics Certification Practice Test

PC Score Reporting and Interpretation