There Is No Linear Relationship Between Two Interval-Ratio Variables When

question 33

Multiple Choice

There is no linear relationship between two interval-ratio variables when the regression line on a scatterplot

• A) is parallel to the horizontal axis
• B) does not touch all of the scores
• C) is not an equal distance from all of the scores
• D) is bimodal

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Definitions:

AB Design

A basic experimental design involving a baseline (A) followed by a treatment or intervention phase (B) to measure change.

Time-Series Format

A sequence of data points collected or recorded at successive points in time, often used to analyze trends over time.

Reversal Design

A behavioral research methodology where an initial baseline condition is observed, an intervention implemented, and then withdrawn to observe changes in behavior or conditions, often followed by the reintroduction of the intervention.

Mechanisms of Change

Refers to the processes or pathways through which an intervention or action produces its effects.