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It has been suggested that pupil size increases during emotional arousal. A researcher would, therefore, like to see whether the increase in pupil size is

It has been suggested that pupil size increases during emotional arousal. A researcher would, therefore, like to see whether the increase in pupil size is a function of the type of arousal (pleasant versus aversive). A random sample of five participants is selected for the study. Each participant views all three stimuli: neutral, pleasant, and aversive photographs. The neutral photograph portrays a plain brick building. The pleasant photograph consists of a young man and woman sharing a large ice cream cone. Finally, the aversive stimulus is a graphic photograph of an automobile accident. Upon viewing each stimulus, the pupil size is measured (in millimeters) with sophisticated equipment. The data are as follows. Use it to test whether pupil size varies based on type of arousal.

Stimulus
Participant Neutral Pleasant Aversive
A 4 8 3
B 3 6 3
C 2 5 2
D 3 3 6
E 3 8 4

  1. In this specific scenario, what is the independent variable? Is it between or within subjects? How many levels does it have, and what are they?

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  1. Paste all relevant statistical output in the space provided below:
  2. How do you put the data in SPSS? Pleas explain as this is where i get confused? Is this a ONE WAY annova?

ANSWER

an appropriate graph in SPSS and paste it in the space provided below:

ANSWER

  1. Present the results using APA format. This includes a full write-up to include a complete statistical notation as shown in the weekly presentations. The write-up also needs interpretation. If significant, state how. If it is not significant, what does that mean in layman's terms?

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DONE! Submit this assignment by 11:59 p.m. (ET) on Sunday of Module 2.

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