PSYC 2030 Chapter Notes - Chapter 5: Internal Validity, Confounding, Dependent And Independent Variables
17 Dec 2016
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In this case, the situational independent variable would be the number of potential helpers on the scene besides the participant: task is to give groups of participants diff kinds of problems to solve. Extraneous variables any variable that is not of interest and might influence the behavior being studied; must be controlled: confound any uncontrolled extraneous variable that covaries with the independent variable and could provide an alternative explanation of the results. A confounding variable changes at the same time that the independent variable changes (i. e. the covary) it"s effect cannot not be separated from the effect of the iv. Subject variables refers to already existing characteristics of the individuals participating, such as sex, age, culture group, intelligence, any personality attribute. Control groups (comparison group) no treatment and no independent variable. Experimental groups treatment group where the independent variable is given.
