Posted: February 1st, 2023

Psychology 340 Homework 5 Assignment Fall 2014 Solution

Psychology 340Statistics for the Social SciencesFall 20141) Download the data file JRHIGHDATA.SAV2) The data file contains the following variables:SEX (1=FEMALE, 2=MALE)GRADE: (5,6,7, or 8)DEPRESS: Score on depression measure (higher scores indicate higher levels of depression symptoms)CLIMATE: Perceptions of school climate (higher scores indicate more positive perceptions of school climate)BELIEFS: Beliefs about the acceptability of aggression (higher scores indicated more adaptive beliefs – i.e., beliefs that are LESS tolerant of aggression)AGGRESSION: Self-reported frequency of aggressive behavior (higher scores indicate more frequent aggressive behavior)3) Answer each of the following research questions. To do this you will need to identify what analysis is appropriate, carry out that analysis using SPSS, and interpret the output of that analysis. For all tests, assume an alpha level of 0.05.Describe the demographics (gender and grade level) of the sample. Consider the scales of measurement for these variables, and select methods appropriate for describing distributions for those types of variables.Describe the distributions for depression, school climate, beliefs about aggression, and aggressive behavior. Consider the scales of measurement for these variables and select methods appropriate for describing distributions for those types of variables.Among depression, school climate, beliefs about aggression, and aggressive behavior, which of these variables are significantly correlated with one another? Describe these relationships.Compare the following three models for predicting aggressive behavior. For each model, describe which explanatory variables are significant. Overall, which model do you believe is the best? (Explain your rationale).Model 1: Predictors – beliefs about aggressionModel 2: Predictors – beliefs about aggression, and depressionModel 3: Predictors – beliefs about aggression, depression, and school climateAre there significant gender differences in depression, beliefs about aggression, school climate, or aggressive behaviors?Is there a significant difference in aggressive behavior at different grade levels?Is there a significant interaction of gender and grade on aggression?4) Homework help – Write up the results (what you turn in should resemble the results section of a research paper – you do not need to include an introduction, method section, or discussion).a. You must use full sentences & paragraphs (I recommend at least separate paragraphs for each research question). b. Use graphs, figures, and/or tables to supplement your text as needed (include these on separate sheets of paper, but refer to them (and label them) in the text. c. Help write my thesis – APA style is recommended (I will not deduct points for Help write my thesis – APA style violations, but you will be more likely to include all of the required information if you follow Help write my thesis – APA style) d. When reporting results of inferential statistical tests, make sure to provide the relevant descriptive statistics (such as means and standard deviations) in text or tables, in addition to the inferential results. e. For simplicity, assume an alpha level of 0.05 for all tests (make sure that you state this somewhere). f. Remember to report degrees of freedom when appropriate (along with computed test statistics—DON’T just report p-values) g. Papers should be typed and double-spaced. Even if you do not use Help write my thesis – APA style, any results presented in tables must be typed up using your word processor (it is not sufficient to just append SPSS output, but you are encouraged to also include your spss output as an appendix as back-up documentation to help me award possible partial credit)h. It is acceptable for you to discuss this assignment and work with classmates on the analyses, but the write-up must be done independently. If multiple students turn in papers with identical sentences or paragraphs, this will be considered cheating and will result in a grade of F (consistent with the policy on academic dishonesty described in the syllabus)i. The recommended length for this paper is approximately 5 pages of text, plus tables and appendices.

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