Single Factor Designs
Single Factor Designs
Single Factor Designs
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Between-Subjects Between Subjects, Two Levels<br />
• Independent Groups<br />
– random a do assg assignment, e t, many a y pa participants tcpa ts<br />
– e.g., typical experiments in social Psychology<br />
– independent groups t-test<br />
• Matched Groups<br />
– smaller number of participants<br />
– some factor strongly correlates with DV<br />
– e.g., sleep deprivation and suggestibility study<br />
– with one-to-one matching, use dependent groups t-test<br />
• Nonequivalent groups<br />
– subject variable<br />
– match the groups on other characteristics<br />
• bbut t not t necessarily il a one-to-one t matching thi<br />
– e.g., neuropsychology