A Chi-Square Test May Be Used to Analyze the Relationship

question 49

Multiple Choice

A chi-square test may be used to analyze the relationship between two variables when ______.

• A)both variables are qualitative in nature
• B)the two variables have been measured on the same subjects
• C)the observations on each variable are between-subjects in nature
• D)all of these

Understand methods to mitigate historical threats to internal validity in time-series designs.

Understand the significance of treatment intervention points in time-series designs.

Recognize the importance of random assignment in experimental designs to control threats to internal validity.

Understand the limitations of designs lacking comparison groups, random assignment, or control groups and their effect on internal validity.

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Definitions:

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