Bess Has Conducted a Pretest-Posttest Control-Group Study to Raise Math

question 9

Multiple Choice

Bess has conducted a pretest-posttest control-group study to raise math scores among fifth-grade students who have failed math. She has controlled the potential problem of __________ because she has selected participants for the experimental and control groups from the same pool of extremely low-scoring participants.

• A) diffusion of treatment
• B) instrumentation
• C) selection
• D) statistical regression

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Definitions:

Obsession

Obsession is an intense or excessive preoccupation with a particular idea, object, or activity.

Effective Discipline

An approach to managing behavior that is focused on teaching and guiding rather than punishment, aiming to promote self-control and appropriate conduct.

Clear Guidelines

Explicitly stated and easily understandable rules or instructions designed to direct behavior or processes.

Corrective Action

Steps taken to eliminate causes of existing nonconformities or undesirable situations to prevent recurrence.