Proposal Finalization
This Assignment is designed to aid your progress in crafting the final Research Proposal (Signature Assignment). Here, our goal is the production of the text of the Methods section, the text of the Results section, and the text of the Discussion section
A. Craft the text of your Method and Results sections, based upon the sentence outline developed in Week 4.
B. Craft the text of your Discussion section, and be sure to include:
A summary of major findings, in English.
Implications of the findings, for the theoretical framework(s) discussed in the Introduction.
Limitations of the design that should be considered when generalizing from the results. What are some of the potential problems regarding internal and external validity?
Future studies that might follow up on the findings.
For this Unit, craft your full-text Method, Results, and Discussion. Then, submit your final, complete Research Proposal. See the Research Proposal menu item for more details.
Analyses
For each of the research scenarios depicted below (A-E), state the appropriate inferential statistical analysis. Choose analyses from the following list:
Within-Participants ANOVA
Between-Participants ANOVA
t Test
Chi Square Test of Independence
Spearman’s r
Pearson’s r
A. A research team is interested in the relationship between personality and social interaction. With a survey, an investigator records various social and personality variables of a group of participants. Among the variables, the investigator specifically evaluates the relationship between Extraversion score and number of Facebook friends (measured on continuous scales).
B. A research team is interested in the relationship between arousal and performance. An investigator administers, to 4 groups of participants, 4 doses of caffeine (0mg, 40mg, 80mg, 120mg). Afterward, the investigator measures performance on a reaction-time task, in milliseconds, where participants must hit a button as quickly as possible when a signal is given.
C. A research team is interested in the relationship between gender and aggression. An investigator observes children on the schoolyard playground. The investigator records the percentage of recess time that each child spends aggressing against classmates. The investigator then compares the girls and boys, on the percent time spent fighting.
D. A research team is interested in the relationship between high-school performance and later income. An investigator ranks 300 members of a graduating class from 1st to 300th. The investigator then ranks them by salary, from 1st to 300th, five years later. The investigator evaluates the relationship between the 2 sets of ranks.
E. A research team is interested in the relationship between development and cognition. An investigator administers an intelligence test (measured on a continuous scale) to the same set of individuals at ages 6, 10, 14, 18, and 22. The data are analyzed to see if the intelligence scores change over the 5 measures.
In your document, please use the letters to organize your answers (e.g. “A. The appropriate analysis for this study is…” etc.)
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