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Psych 241 – Methods Lab section 03

Psych 241 – Methods Lab section 03. TuTh – 4:00-5:15. Survey Project – Data Entry. Please indicate your gender: Male ____ Female ____ Other ____ (Gender: Male = 1, Female = 2, Other = 3)

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Psych 241 – Methods Lab section 03

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  1. Psych 241 – MethodsLab section 03 TuTh – 4:00-5:15

  2. Survey Project – Data Entry Please indicate your gender: Male ____ Female ____ Other ____ (Gender: Male = 1, Female = 2, Other = 3) How many semesters have you been on the UMass Amherst campus for? 1-2 _____ 3-6 _____ 7 or more _____ (Semesters: 1-2 = 1, 3-6 = 2, 7 or more = 3) Are you a smoker? Yes ____ No ____ (Smoker: No = 0, Yes = 1) If you smoke, how many years have you been smoking for? Less than 2 years ____ 2-5 years ____ 5 or more years ____ (SmokeTime: No answer = 0, Less than 2 = 1, 2-5 = 3, 5 or more = 4) When you were growing up, did you have a smoker in your household? Yes ____ No ____ (Household: No = 0, Yes = 1) When you were growing up, did you have close relatives who were smokers? Yes ____ No ____ (Relatives: No = 0, Yes = 1) Have you or anyone in your family suffered any detrimental effects of smoking? Yes ____ No ____ (Detriment: No = 0, Yes = 1) Do you have friends who smoke? Yes ____ No ____ (Friends: No = 0, Yes = 1) Do you live an urban or rural area? Urban ____ Rural ____ (Area: Urban = 1, Rural = 2) Please select the option that best corresponds with your average stress level. None ____ Low ____ Moderate ____ High ____ (Stress: None = 0, Low = 1, Moderate = 2, High = 3)

  3. Survey project: Questions • Data collection. • Hypotheses.

  4. Data Analysis for the survey project • Reverse-coded items. • reverse score=[(Highest score +1)-actual score • Example: “It is perfectly moral to add pineapple to pizza.” Response = 6. Reverse code? • Reliability analysis. • Demographics outcomes. • Hypothesis testing: ANOVA

  5. ANOVA

  6. ANOVA • Give the statistical information for the main effect of “sex” (F ratio, df, p-value): • Is there a significant main effect of “sex”? Yes No • Give the statistical information for the main effect of “presentation” (F ratio, df, p-value): • Is there a significant main effect of “presentation”? Yes No • Give the statistical information for the interaction of “sex” and “presentation” (F ratio, df, p-value): • Is there a significant interaction of “sex” and “presentation? Yes No • Given the information in the table above, how many levels of presentation were there? • How many levels of “sex” were there? • Given the information in the table above, what design was used in this study? 1-way between subject 1-way repeated measures 2-way between subject 2-way mixed

  7. ANOVA

  8. ANOVA

  9. ANOVA • Give the statistical information for the main effect of “gender” (use APA style): • If the effect is statistically significant, describe the main effect of “gender” based on the means: • Give the statistical information for the main effect of “motivation”: • If the effect is statistically significant, describe the main effect of “motivation” based on the means: • Give the statistical information for the interaction of “gender” and “motivation”:

  10. Homework. • Enter the data and send it to me via email. Please attach it as a document, because I don’t like GoogleDrive.  • Complete items f, and g from the CS page 108 (based on page 107)

  11. Contact Information • ladelman@psych.umass.edu • Tobin 626 • Office hour: Tuesdays from 1-2pm

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