Betsy Has Begun Work on a Research Project

question 6

Multiple Choice

Betsy has begun work on a research project.She has decided to recruit participants from General Psychology classes.However, she plans to make sure that her sample matches the university population in terms of ethnicity i.e., 53% should be Caucasian, 25% should be African American, & 22% should be Hispanic American) .Betsy is planning to use which nonprobability sampling procedure?

• A)cluster
• B)convenience
• C)quota
• D)snowballing

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Definitions:

Variability Within Groups

The extent of variation or differences within a group of data points, often used in statistical analysis to assess homogeneity.

Chance

The occurrence of events in the absence of any obvious intention or cause, often quantified as probability.

Grouping Factor

A variable used to categorize data into different groups for analysis in statistical tests.

Treatment Variables

Variables in an experiment that are manipulated or changed in order to observe their effects on other variables.