If There Is a Difference Between the Column Means, What

question 4

Multiple Choice

If there is a difference between the column means, what does this suggest?

• A) This suggests one main effect
• B) This suggests two main effects
• C) This suggests an interaction effect
• D) No effects

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Definitions:

Developmental Research Designs

Research methods used to examine changes in behavior or abilities over time, typically used in psychological and educational studies.

Panel Study

A type of longitudinal study where data are collected from the same subjects at multiple points in time, useful for identifying trends and changes.

Interrupted Time Series Design

Interrupted time series design is a research method that examines the effects of an intervention by analyzing observations before and after the intervention in a time series.

Mandatory Helmet Law

Legislation requiring the wearing of helmets in certain activities or contexts, often to enhance safety.