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2-Factor ANOVA

2-Factor ANOVA. Beauty and Judgment – Halo Effect Landy and Sigall (1974). “Beauty is Talent: Task Evaluation as a Function of the Performer’s Physical Attraction,” Journal of Personality and Social Psychology , 29:299-304. Experiment Description.

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2-Factor ANOVA

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  1. 2-Factor ANOVA Beauty and Judgment – Halo Effect Landy and Sigall (1974). “Beauty is Talent: Task Evaluation as a Function of the Performer’s Physical Attraction,” Journal of Personality and Social Psychology, 29:299-304.

  2. Experiment Description • Goal: determine whether people tend to extend evidence of quality from one dimension of people/items to other dimensions (“Halo Effect”) • Experimental Set-Up • Two Dimensions (Appearance and Essay Quality) • Appearance (Picture attached to essay): Attractive, Unattractive, Control (No Picture) • Essay Quality: Good, Poor • Response: Score assigned to Essay • 10 Replicates per treatment combination

  3. Experimental Results Mean (SD)

  4. Statistical Model

  5. Sums of Squares

  6. Analysis of Variance

  7. Bonferroni Post Hoc Comparisons – Additive Model

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