Instruments That Contain Items That Function Differentially

question 78

Multiple Choice

Instruments that contain items that function differentially

• A) may have reduced validity.
• B) may have inflated reliability.
• C) are last to be banked in an item bank.
• D) are informally referred to as "DIFFED."

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Definitions:

Degrees of Freedom

This refers to the number of independent values or quantities that can vary in an analysis without breaking any constraints.

Customers

Individuals or entities that purchase goods or services from a business.

ANOVA Model

Stands for Analysis of Variance, a statistical model used to compare and analyze the differences among group means in a sample.

Normally Distributed

Describes a bell-shaped distribution of data points, where most scores cluster around a central peak and the probabilities for values taper off equally in both directions from the center.