5 - conditions by chance minimizes preexisting differences...

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a research method in which an investigator manipulates  one or more factors (independent variables) to observe  their effect on some behavior or mental process (the  dependent variable)  by random assignment of participants the experiment  controls other relevant factors The Scientific Method Experimental Condition the condition of an experiment that exposes participants to the  treatment, that is, to one version of the independent variable Control Condition the condition of an experiment that contrasts with the  experimental treatment  serves as a comparison for evaluating the effect of the treatment The Scientific Method Random Assignment assigning participants to experimental and control 
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Unformatted text preview: conditions by chance minimizes preexisting differences between those assigned to the different groups The Scientific Method Independent Variable the experimental factor that is manipulated the variable whose effect is being studied Dependent Variable the experimental factor that is being measured in psychology it is usually a behavior or mental process may change in response to manipulations of the independent variable The Scientific Method Environmental Influence Rats reared in an environment enriched with playthings show increased development of the cerebral cortex Environmental Influence...
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This note was uploaded on 01/22/2009 for the course PSYCH 2000 taught by Professor Edwards during the Spring '09 term at Auburn University.

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5 - conditions by chance minimizes preexisting differences...

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