Single Factor Designs

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Between-Subjects Between Subjects, Two Levels • Independent Groups – random a do assg assignment, e t, many a y pa participants tcpa ts – e.g., typical experiments in social Psychology – independent groups t-test • Matched Groups – smaller number of participants – some factor strongly correlates with DV – e.g., sleep deprivation and suggestibility study – with one-to-one matching, use dependent groups t-test • Nonequivalent groups – subject variable – match the groups on other characteristics • bbut t not t necessarily il a one-to-one t matching thi – e.g., neuropsychology
Within-subjects, Two Levels • once per condition, use complete counterbalancing • twice per condition, use reverse counterbalancing – e.g., Stroop (1935) • more than twice, use block randomization – sometimes can use alternation (Lee and Aronson, 1974)
Page 1: Single Factor Designs
Page 5 and 6: If the balloons popped, the sounds
Page 7 and 8: • Types of graphs - Line graphs (
Page 9 and 10: Control group designs - Placebo con
Page 11: IVs (between, within, manipulated),

Single Factor Designs

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