45: Parallel Forms Reliability

Parallel Forms Reliability

• Parallel forms reliability refers to the administration of two alternate forms of the same measurement device and then comparing the scores.
• A correlation between the two forms is computed just as in the test-retest method.
• Eliminates the problem of memory effect
• Can address a wider array of sampling of the entire domain that the test-retest method
• But, requires additional work to develop two measurement devices