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

question 27

Multiple Choice

If a repeated-measures study shows a significant difference between two treatments with α = .01, then you can be sure that _____.

• 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.

---

Definitions:

Manufacturer

An entity or enterprise that makes goods through a process involving raw materials, components, or assemblies, usually on a large scale with machinery.

Income Statement

A financial statement that reports a company's financial performance over a specific accounting period, detailing revenues, expenses, and net income or loss.