Assignment 5
TPSYCH 309: Fundamentals of Psychological Research II
Professor: Amanda Sesko
| 1. | A social psychologist is interested in whether the type of music a college student is listening to will have any effect on the number of beers the student drinks. Fifteen college students were randomly assigned to one of three listening conditions and each student’s beer consumption was covertly recorded during trips to three different taverns that played the type of music to which the student was assigned. The data is shown in the following table. List the null and alternative hypotheses and fill in the source table below:
|
| Source | SS | df | MS | F |
| Between | 14.4 | |||
| Within | 12 | .833 | ||
| Total |
- Read the following:
Shih, M., Pittinsky, T. L., & Ambady, N. (1999). Stereotype susceptibility: Identity salience and shifts in quantitative performance. Psychological Science, 10, 80-83. https://doi.org/10.1111/1467-9280.00111
- Answer the following questions in relation to Shih et al. (1999).
- a) What was the overall goal and hypotheses of this research?
STUDY 1:
- b) Summarize the methods
- c) What is the study design? (e.g., one-way, two-way, 2 x 3, etc.). Clearly list the IV(s) and DV(s).
- d) What did they find? Did their findings support their hypothesis?
- e) To analyze these data, the authors use t tests and a one-way ANOVA. For each of these analyses reported explain why this was the appropriate test.
STUDY 2:
- f) Summarize the methods.
- g) What is the study design? (e.g., one-way, two-way, 2 x 3, etc.). Clearly list the IV(s) and DV(s).
- h) What did they find? Did their findings support their hypothesis?
- i) Note that for this study they looked at the combination of the two studies, in which they did not use a one-way ANOVA but instead, a factorial ANOVA (which we have not completely covered yet). Why was this not just a one-way ANOVA?