Typically, the number of levels of a randomized experimental approach or a comparative approach is five or more.
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Q13: A researcher was interested in studying stress
Q14: Robert Rosenthal did a series of studies
Q15: One key to the quasi-experimental approach is
Q16: One key to the comparative approach is
Q17: Associational questions usually have two variables with
Q19: Descriptive questions only have one independent variable.
Q20: A form of measurement reliability which measures
Q21: Internal consistency reliability is the same as
Q22: Internal consistency is similar to parallel forms
Q23: Content validity indicates that all aspects of
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