A recent study indicates that simply giving college students a pedometer can result in increased walking (Jackson & Howton, 2008). Students were given pedometers for a 12-week period, and asked to record the average number of steps per day during weeks 1, 6, and 12. The following data are similar to the results obtained in the study.

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  1. A recent study indicates that simply giving college students a pedometer can result in increased walking (Jackson & Howton, 2008). Students were given pedometers for a 12-week period, and asked to record the average number of steps per day during weeks 1, 6, and 12. The following data are similar to the results obtained in the study.

 

 

  1. Use a repeated-measures ANOVA with α = .01 to determine whether there are significant mean differences between the three time-points.
  2. Calculate η2 as a measure of effect size.
  3. Calculate Tukey’s HSD and determine which time-points had significantly different means.
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