PSYC 2018H Chapter Notes - Chapter 5: Dependent And Independent Variables, Statistical Conclusion Validity
18 Nov 2016
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Experiment is a systematic study in which the researcher varies some factor and holds all others constant. Independent variables (iv) are manipulated and under the control of the experiments: extraneous variables are held constant, dependent variables (dv) are the behaviours being observed. The study of the effect of x on y: x being the iv. Is manipulated: can also stretch to be nonmanipulated or subject variables. Typically has two conditions: used for comparison. There can also be multiple levels to a study: ex. testing the effects of marijuana by giving dosage i against dosage ii, adding more levels will provide further understanding on the behavior. Experimental research can be either basic or applied in goals field research refers to research that takes place beyond a laboratory setting or without experimental measures. Varieties of manipulated independent variables, p. 143 there are various ways to manipulate a variable.
