Examlex
Ronald Reagan viewed the Soviet Union as:
Experimental Study Designs
Research methods that allow investigators to directly manipulate variables to investigate cause-and-effect relationships between variables.
Line of Best Fit
A straight line drawn through the center of a group of data points plotted on a scatter plot, used to analyze and predict the relationship between variables.
Correlational Study
A research method that examines the relationship between two or more variables to determine whether a change in one variable is associated with a change in another.
External Validity
The degree to which the findings of a study can be generalized to other situations, populations, or settings.
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