A Researcher Plans to Conduct a Study to Compare Two

question 2

Multiple Choice

A researcher plans to conduct a study to compare two groups.Based on previous research,she anticipates a medium effect size.She does a power analysis with alpha level of .05.This power analysis tells her

• A)the t-test outcome and degrees of freedom she should expect.
• B)the sample size she will need to observe a statistically significant finding.
• C)Cohen's d for her study.
• D)the practical significance of her research.

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Definitions:

Psychographics

Pertains to the study of personality, values, opinions, attitudes, interests, and lifestyles of individuals or groups.

Market Segmenting

The process of identifying and targeting discrete groups within a larger market, each with its own set of needs, preferences, or characteristics, for more focused marketing efforts.

Standardization

The process of making something conform to a standard.