PSYC 3140 Lecture Notes - Lecture 6: Memory Span, Dementia, Executive Functions
10 Dec 2017
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Recap: factor = iv, each level = 1 condition. Single factor = 1 iv: can be tested by either between or within subjects, between: can be tested either a manipulated or a subject variable. Random assignment not possible: repeated measure design: used when iv is tested within subjects, and each participant. Within subject, single factor design: experiences each level of iv. Within-subjects: require less people, more sensitive to small differences between means, and typically uses counter-balancing to control for order effects. If subject participate in each condition just once, complete counter-balancing will be used. Half will exp a, then b, and other half will exp b, then a. if participants are tested more than once per condition, then reverse counter-balancing will take place. 2 levels mean that there are 2 conditions. Self-esteem as a factor: 2 level: high vs. low (between subjects fixed, 2 levels: succeed vs fail (between subjects manipulated, 2 levels: succeed vs fail (within subjects)
