Examlex
What is not a reason that the Spanish colonies in North America failed?
Combinations
Choosing elements from a broader group without regard to the sequence in which they are selected.
Main Effect
The direct impact of an independent variable on a dependent variable in an experiment.
Factorial Research
A type of experimental design where two or more factors (independent variables) are simultaneously varied to observe their effect on a dependent variable.
Independent Variables
Variables in a study that are manipulated or categorized to investigate their effect on dependent variables.
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