Researchers Often Choose a Correlated-Groups Design Over an Independent-Groups Design

question 48

Multiple Choice

Researchers often choose a correlated-groups design over an independent-groups design when

• A) their sample size is small.
• B) they expect small differences owing to their IV.
• C) they want to reduce error variance.
• D) All of the above.

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Definitions:

Alternate Forms Reliability

A measure of reliability obtained by administering different versions of an assessment tool to the same group of individuals.

Test-retest Reliability

A measure of consistency where a test is administered twice to the same participants under similar conditions, and scores are compared.

Interrater Reliability

A measure of how consistently different raters or observers evaluate the attributes or performances of subjects or items.

Split-half Reliability

A measure of consistency where a test is divided into two parts, and the scores on both halves are compared.