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# PART 1: Determine Statistical TestIn this

unit, you will determine your statistical analyses (and rationale for its use) using the following information. Please see the Research Rubric for specific details required for your submission:

Topic: The effect of heat on aggression

Hypothesis: Heat will increase aggression

Independent Variable: Heat

Dependent Variable: Aggression

References:

Anderson, C. (1989). Temperature and aggression: ubiquitous effects of heat on occurrence of human violence. Psychological Bulletin, 106, 74-96.

Anderson, A.A., & Bushman, B.J. (2002). Human Aggression. Annual Review of Psychology, 53, 27-51.

Bushman BJ. 1995. Moderating role of trait aggressiveness in the effects of violent media on aggression. Journal of Personality and Social Psychology, 69, 950-60.

Sample: 60 adults (30 male, 30 female; ages 20 - 40, mean = 30; 60% Caucasian, 20% African American, 10% Hispanic, 5% Asian, 5% Other) gathered from various states on the east coast.

Operationalized IV: Temperature Operationalized DV: Number of punches

Procedure: Participants met separately with the experimenter a quiet room during the summer. They sat at a desk in a cushioned chair with the room at one of two temperatures: hot (about 90 degrees) or cold (about 65 degrees), depending on their condition. In the center of the room was a blow-up doll that would bounce back to the normal condition when punched. The Informed Consent Form was signed first, which indicated that the current study was about aggression. Next, participants were asked to punch the doll as much as they would like for 30 seconds. The number of punches was recorded by the experimenter. After the 30 seconds, participants were thanked and debriefed.

Design: a) experimental, b) between-subjects, c) single blind

PLEASE ALSO REFER TO the following DATA

ID           Hot Temperature            Cold Temperature

1             25                                         10

2             20                                          15

3             24                                          13

4             10                                          20

5             42                                          30

6             30                                          23

7             41                                          35

8             54                                          22

9             43                                          25

10          36                                          10

*Note: The above numbers indicate how many times the participant punched the doll

PART 2:

Run a t-Test, ANOVA, and Correlation

In the following imaginary study, participants who had trouble dieting were put into three conditions: 1) Scared Straight - they are yelled at and shown overweight people to scare them into dieting, 2) Motivational Interviewing - they are asked to think about how life would be better if they dieted and how life would be worse if they did not, and 3) No intervention. After the intervention (or no intervention) took place, participants were asked to report how much they ate the following week. The goal of the study is to see which intervention will reduce eating the most. Weight was also measured to see if there was any relationship between the weight of the participants and their performance in the week of the intervention.

1. Please run a t-test and report the results (both the output and your interpretation)
2. You will compare the Scared Straight and No Intervention Groups
3. Please run an ANOVA and report the results (both the output and your interpretation)
4. You will compare the Scared Straight, Motivational Interviewing, and No Intervention Groups
5. Please run a correlation and report the results (both the output and your interpretation)
6. You will determine if there is a relationship between weight and any of the 3 conditions

i.      Please note whether the relationship is weak, moderate, or strong, and positive or negative

ii.     Please note what the relationship means regarding that specific dataset (for example: define what a positive, weak

relationship is if that is what you find)

iii.     Please note whether the relationship is significant or not

Here the assignement data:

ID           Scared Straight Motivational Interviewing           No Intervention                              Weight

1             25                         10                                                         30                                         160

2             20                         15                                                         22                                         180

3             24                         13                                                         18                                         125

4             10                         20                                                         42                                         141

5             42                         40                                                         37                                         210

6             30                         23                                                         20                                         240

7             41                         35                                                         50                                         150

8             54                         22                                                         14                                          260

9             43                         19                                                         30                                         163

10          36                         30                                                         20                                         175

(how many pounds they ate the week after Scared Straight)

(how much the person weighs)

(how many pounds they ate the week after Motivational Interviewing)

(how many pounds they ate the week after No intervention)

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