You want to see if violent videos games have any effect on aggression for middle school boys. So, you get a sample of 30 middle school boys. In Week 1 of the study, you have all 30 boys play a violent video game (for this problem let’s ignore the potential ethical problems of assigning young kids to play violent games). In Week 2 of the study, you have the boys play a nonviolent game. On both weeks of the study, immediately after they finish playing the video game, you watch them on the playground and you measure their aggression. When it comes to doing your data analysis, you want to compare the aggression of the children on Week 1 (violent video game) to their aggression on Week 2 (nonviolent game). What kind of hypothesis test do you think would be appropriate for this study? a. One-Sample z-test b. One-Sample t-test c. Independent-Samples t-test d. Related-Samples t-test
You want to see if violent videos games have any effect on aggression for middle school boys. So, you get a sample of 30 middle school boys. In Week 1 of the study, you have all 30 boys play a violent video game (for this problem let’s ignore the potential ethical problems of assigning young kids to play violent games). In Week 2 of the study, you have the boys play a nonviolent game. On both weeks of the study, immediately after they finish playing the video game, you watch them on the playground and you measure their aggression. When it comes to doing your data analysis, you want to compare the aggression of the children on Week 1 (violent video game) to their aggression on Week 2 (nonviolent game). What kind of hypothesis test do you think would be appropriate for this study?
a. One-Sample z-test
b. One-Sample t-test
c. Independent-Samples t-test
d. Related-Samples t-test
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