Examlex
How are nuts thought to protect against heart disease?
Factorial Design
An experimental setup that explores the effects of two or more factors across multiple levels to understand their interaction.
Correlational Research
A type of non-experimental research method that examines the relationship or association between two or more variables.
Experimental Research
Experimental research is a type of research method that involves manipulating one variable to determine if changes in one variable cause changes in another variable.
External Validity
The degree to which a study's outcomes can be applied to different scenarios and various individuals.
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