Research design problems- data analysis - test 1

Research design problems- data analysis - test 1 -...

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Independent & Dependent Variables- See if you can determine how many criteria for causation are fulfilled for each of the below examples In an experiment, the independent variable is the variable that is varied or manipulated by the researcher, and the dependent variable is the response that is measured. An independent variable is the presumed cause, whereas the dependent variable is the presumed effect. The IV is the antecedent, whereas the DV is the consequent. In experiments, the IV is the variable that is controlled and manipulated by the experimenter; whereas the DV is not manipulated, instead the DV is observed or measured for variation as a presumed result of the variation in the IV. "In nonexperimental research, where there is no experimental manipulation, the IV is the variable that 'logically' has some effect on a DV. For example, in the research on cigarette-smoking and lung cancer, cigarette-smoking, which has already been done by many subjects, is the independent variable." (Kerlinger, 1986, p.32) When reseaerchers are not able to actually control and manipulate an IV, it is technically
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This note was uploaded on 03/15/2011 for the course WCOB 1033 taught by Professor Jensen during the Spring '05 term at Arkansas.

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Research design problems- data analysis - test 1 -...

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