Examlex
Which of the following discoveries disproved Aristotle's conception of an unchanging cosmos?
Bivariate Designs
Research designs that involve the investigation of two variables to determine their relationship or correlation with each other.
Ex Post Facto
A study or analysis conducted after an event has occurred, used to discover causes even though variables are not manipulated by the researcher.
Pretest Posttest
A research design that measures the effects of an intervention by comparing subject scores before and after the intervention.
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