One of the Reasons That Researchers Will Often Use an Existing

question 57

Multiple Choice

One of the reasons that researchers will often use an existing questionnaire rather than designing their own is

• A) To minimize history as a threat to internal validity
• B) In situations where the purpose of the questionnaire is poorly defined
• C) To be able to compare their results to others who have used the survey
• D) In situations where the variables of interest are unclear

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Definitions:

Linear Relationship

A type of association where the change in a variable is consistent with the change in another variable, represented by a straight line on a graph.

Coefficient Of Determination

A measure used in statistical analysis that assesses how well a model explains and predicts future outcomes, typically represented as R-squared.

Sum Of Squares

A measure used in statistical analysis that quantifies the variance within a dataset by summing the squared differences between each data point and the mean.

Coefficient Of Determination

A measure that determines the proportion of the variance in the dependent variable predictable from the independent variable(s).