If Interaction Is Present in the Two-Way ANOVA Model and a Test

question 6

Multiple Choice

If interaction is present in the two-way ANOVA model and a test of factor A results in rejecting H₀, then:

• A) the effect of factor A is not significant.
• B) the effect of factor A is probably significant.
• C) the effects of factor A and factor B are independent.
• D) the effect of factor A is inconclusive.

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Definitions:

Voluntary Reaching

The intentional movement towards an object with the aim of grasping or touching it, a milestone in motor development.

Visual-Motor Coordination

The ability to coordinate visual perception with body movements, important in tasks ranging from writing to playing sports.

Motor Development

Refers to the progression of muscle coordination, strength, and the ability to move and control physical actions in infants and young children.

Crawling

A form of locomotion achieved by moving on all fours, typically one of the first ways infants learn to move independently.