External Validity Means That a Study __________

question 80

Multiple Choice

External validity means that a study __________.

• A) is representative of the world as it is outside of the investigation
• B) is measuring only changes in the independent variable
• C) has numerous possible confounds
• D) is measuring much more than it claims to be measuring

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Definitions:

Coefficient of Correlation

A metric that evaluates the degree and angle of a direct correlation between two quantities.

Coefficient of Determination

A statistical measure, often denoted as R-squared, that represents the proportion of the variance for a dependent variable that's explained by an independent variable or variables in a regression model.

Linear Regression

A statistical method for modeling the relationship between a dependent variable and one or more independent variables using a linear equation.

Sum of Squares

A statistical measure that quantifies the total variability within a dataset, used in various statistical methods to analyze variance.