Independent, Dependent, and Control Variables
Type of psychology: Psychological methodologies
Fields of study: Experimental methodologies; methodological issues
The scientific method involves the testing of hypotheses through the objective collection of data. The experiment is an important method of data collection in which the researcher systematically controls multiple factors in order to determine the extent to which changes in one variable cause changes in another variable. Only the experimental method can reveal cause-effect relationships between the variables of interest.
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