Repeated-Measures SPSS

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Question

Part A. SPSS Activity The “Activity 6.sav” file contains a dataset of a high school teacher interested in determining whether his students’ test scores increase over the course of a 12 week period. In the dataset, you will find the following variables: Participant : unique identifier Gender : Male (M) or Female (F) Score_0 – score on the initial course pre-test (first day of class) Score_2 – score at the end of week 2 Score_4 – score at the end of week 4 Score_6 – score at the end of week 6 Score_8 – score at the end of week 8 Score_10 – score at the end of week 10 Score_12 – score at the end of the course (week 12) To complete Activity #6 1. Exploratory Data Analysis. a. Perform exploratory data analysis on the relevant variables in the dataset. When possible, include appropriate graphs to help illustrate the dataset. b. Compose a one to two paragraph write up of the data. c. Create an APA style table that presents descriptive statistics for the sample. 2. Repeated-Measures ANOVA. Perform a repeated-measures ANOVA using the “Activity 6.sav” data set. You will use Score_0 through Score_12 as your repeated measure (7 levels), and gender as a fixed factor. a. Is the assumption of sphericity violated? How can you tell? What does this mean in the context of interpreting the results? b. Is there a main effect of gender? If so, explain the effect. Use post hoc tests when necessary or explain why they are not required in this specific case. c. Is there a main effect time (i.e., an increase in scores from Week 0 to Week 12)? If so, explain the effect. Use post hoc tests when necessary or explain why they are not required in this specific case. Examine the output carefully and give as much detail as possible in your findings. d. Write up the results in APA style and interpret them. Be sure that you discuss both main effects and the presence/absence of an interaction between the two. Attachments: Activity6.sav Aug 13 2012 04:28 PM

 

Solution ID:608892 | This paper was updated on 26-Nov-2015

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