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13 Cards in this Set
- Front
- Back
Matched Group Design
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Not pure random groups, same number in each group but may conduct performance pretest and split similar in ability into separate groups. USEFUL WHEN NOT ENOUGH PARTICIPANTS FOR RANDOM SAMPLE TO BE EFFECTIVE
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Precision Matching
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Those with score X here those with score Y here
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Range Matching
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Those with scores from X to Z here and those with scores A to C here
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Rank Order Matching
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Match by ranking
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Yoked Group
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same as matched group but keep track of who is group opposed to not keeping track (e.g. how one person's attitude affects another)
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Natural Groups Design
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Group based on characteristic one cannot control (such as gender or age). Does not reveal which factor comes first (e.g. divorce and emotional instability)
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Descriptive Analysis
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Central tendency and variance
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Inferential Analysis
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Differences between groups
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T-test
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Independent groups, evaluates size of difference
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ANOVA's f-statistic
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higher value implies there is difference in groups based on IV manipulation
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F= ______ / _______
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MS between groups / MS within groups
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MS between groups
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systematic variance (due to IV)
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MS within groups
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error variance
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