Examlex
Most of the deaths during World War II occurred in which of the following?
Factor A
Typically used in experimental design, referring to a controlled variable that is manipulated to observe its effect on an outcome.
Levels
Distinct values that a categorical variable can have. In experimental design, it also refers to the treatments or conditions to which subjects are assigned.
Independent Variable
A factor or condition that is manipulated by the researcher to observe its effect on the dependent variable in an experiment.
Combinations
The selection of items from a larger set such that the order of selection does not matter.
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