The Simplest Way to Evaluate Threats to Internal Validity Due

question 61

Multiple Choice

The simplest way to evaluate threats to internal validity due to history, maturation, and regression is to

• A)include a control group
• B)include a pretest as well as a postest
• C)use only subject variables
• D)use a subject pool

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Definitions:

Log

The logarithm function, which is the inverse operation of exponentiation, used in many fields to transform data for analysis or to solve exponential equations.

Relative Cost

An assessment of cost in relation to another item's cost, providing a basis for comparison and decision-making.

Goods

Items that are manufactured or produced for sale, trade, or personal use.

Height

The measurement of someone or something from base to top or (in human contexts) from head to foot.