IntroAnova_SP08_BBnocolor

IntroAnova_SP08_BBnocolor - Looking ahead Week of 3/24...

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1 Looking ahead… • Week of 3/24 Lab #7 • Week of 3/31 Lab #8 • Week of 4/7 Lab #9 • Week of 4/14 Game Show in Labs – If there is room, you’re more than welcome to sit-in on other labs for review! • Quiz #4 4/16 Looking ahead… • Week of 4/21 Lab #10 • 4/23 Last class (end of material) • 4/28 ONLY Final rounds for Game Show contestants & Review • 5/5 at Noon: Final Exam (location TBD) Introduction to Analysis of Variance “Certainty is the mother of quiet and repose, and uncertainty the cause of variance and contentions” -Edward Coke Where we’ve been… • Describing & graphically depicting data • Predicting relationships among variables: – correlation, regression • Testing hypotheses about means: – 1 Sample Z-test (is the sample mean = to the population mean?) – Binomial (are our observed frequencies = expected?) – Chi-Sq (are our observed frequencies = expected? is there an association between two categorical variables?) –t - tes ts (are two means = ?) •O n e s am p l e • Dependent groups/Paired samples (w/n subjects) • Independent groups (b/n subjects)
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2 ANOVA • Testing mean differences observed between two or more means. – Can look at one factor that has more than two levels. – One of the major advantages over using a t- test – Another advantage is using a smaller number of statistical tests to analyze your data. ANOVA preview • Introduction to ANOVA logic • One-way Between Subjects ANOVA (2 + groups, means on one measure: do the groups differ?) • One-way Repeated measures ANOVA (one group, 2+ measurements such as test-retest, do the means across measurements change/differ?) • Factorial ANOVA: (2+ groups, 2+ measurements) ANOVA: Basic Logic • ANOVA = Analysis of Variance Analysis
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This note was uploaded on 04/07/2008 for the course PSY 031 taught by Professor Dicorcia during the Spring '08 term at Tufts.

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IntroAnova_SP08_BBnocolor - Looking ahead Week of 3/24...

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