Imagine I Ran a One-Way Repeated-Measures ANOVA with Five Levels

question 15

Multiple Choice

Imagine I ran a one-way repeated-measures ANOVA with five levels on the independent variable. The results revealed a Greenhouse-Geisser estimate, = .977, and the Huynh-Feldt estimate, = .999. What do these values tells us about the assumption of sphericity?

• A)The assumption of sphericity is likely to have been violated.
• B)We cannot tell anything about the assumption of sphericity from these values.
• C)We do not need to check the assumption of sphericity for a one-way repeated-measures ANOVA.
• D)The assumption of sphericity is likely to have been met.

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Definitions:

Vision Lab

A research facility focused on studying visual systems, perception, and related technologies.

Robert Fantz

An American psychologist recognized for his research on infant perception, particularly in the area of visual attention.

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