answer for me my questions ….
An SPSS data file and output file are attached to this discussion and on the course content page. In these SPSS files, we have the same dependent variable measured 4 times. Thus, the independent variable is “time” and the dependent variable is score (assume scores on some sort of anxiety measure). Please address the following questions from the SPSS output included for this unit:
Is there sufficient evidence to suggest that scores on the dependent variable are normally distributed? What information did you use to come to this conclusion?
Is there sufficient evidence to suggest that the sphericity assumption has been met? What information did you use to come to this conclusion?
Is there sufficient evidence to suggest that the independent variable influenced the outcome (that the means differed across time)? What information did you use to come to this conclusion?
What did the results of the post-hoc tests indicate? Which time periods differed significantly from the others?
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