Lecture 5.Experimental Method 1

Desade is interested in whether stress influences

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Unformatted text preview: le believed to be affected by the independent variable 2 5/20/13   Dr. deSade is interested in whether stress influences pain tolerance. He has one group of students participate in a public speaking exercise (stress condition), while the other group serves as the audience (no stress condition). To measure pain tolerance he examines how long participants will keep their arm in an ice bath. Identify the IV and DV. a)  b)  c)  d)  e)  IV: Pain tolerance; DV: Stress IV: Duration in ice bath; DV: pain tolerance IV: Pain tolerance; DV: Duration in ice bath IV: Public speaking; DV; Pain tolerance IV: Stress; DV: Pain tolerance   Extraneous Variable – variables other than the independent variable that may have an influence on the dependent variable   Confounding Variable – an extraneous variable that varies systematically with the independent variable   If there were male and female participants in both the stress and the no stress conditions then gender would be a(n) a)  b)  c)  d)  e)  extraneous variable confound IV DV none of the above 3 5/20/13   If there were only males in the stress condition and only females in the no stress conditions then gender would be a(n) a)  b)  c)  d)  e)  extra...
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This note was uploaded on 01/23/2014 for the course PSYC 217 taught by Professor Victoria during the Winter '11 term at The University of British Columbia.

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