If a Repeated-Measures Study Shows a Significant Difference Between Two

question 76

Multiple Choice

If a repeated-measures study shows a significant difference between two treatments with α = .01,then what can you conclude about measures of effect size?

• A)The value of Cohen's d is large.
• B)The percentage of variance explained (r²) is large.
• C)Both Cohen's d and r² are large.
• D)A significant effect does not necessarily mean that the effect size will be large.

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