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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Definitions:

Deadweight Loss

An economic efficiency decrement occurs when there's a failure to achieve or inability to achieve an equilibrium for a particular good or service.

Market Distortion

An economic phenomenon where external factors lead to a deviation from the expected or efficient allocation of resources, often causing prices to be higher or lower than they would be in a free market.

Taxed

Subjected to a compulsory financial charge or levy by governmental organizations for the funding of state expenditures.

Worse Off

A situation or condition in which an individual or group is in a less favorable position than before.