________ Allows Researchers to Rule Out Differences Among Participants as the Cause

question 150

Multiple Choice

________ allows researchers to rule out differences among participants as the cause of differences in the dependent variable.

• A) A factorial design
• B) Random sampling
• C) Measuring more than one dependent variable
• D) Random assignment to condition
• E) Matching

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Definitions:

Frequency Table

A tabular representation of the number of occurrences of each distinct value in a dataset.

Proportions

A statistical measure expressing the relationship of a part to the whole, typically represented as a fraction or percentage.

Rejection Region

The range of values in hypothesis testing outside of which the null hypothesis is rejected in favor of the alternative hypothesis.

Categorical Variables

Categorical variables are qualitative variables that can take on different categories, but which do not have a natural order or ranking.