Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
Different versions refer to multiple variations or forms of a measurement tool that are used to assess the same construct or variable. It is important to ensure consistency and reliability across these different versions.
Related terms
Parallel Forms Reliability: This term refers to the consistency between two or more different versions of a measurement tool that are designed to measure the same construct.
Alternate Forms Reliability: Alternate forms reliability is similar to parallel forms reliability, where two or more different versions of a test are administered under similar conditions to measure the same construct.
Split-Half Reliability: Split-half reliability is a method where a single assessment tool is divided into two halves, and then scores on both halves are compared for consistency.