The Yerkes€“Dodson graph demonstrates that graphs can be used to describe theoretical relations that can be tested. In a study that could be applied to the career decisions made during college, Gilovich and Medvec (1995) identified two types of regrets€” regrets of action and regrets of inaction€”and proposed that their intensity changes over time. You can think of these as Type I regrets€”things you have done that you wish you had not done (regrets of action)€” and Type II regrets€”things you have not done that you wish you had done (regrets of inaction). The researchers suggested a theoretical relation between the variables tha t might look something like the graph below.

a. Briefly summarize the theoretical relations proposed by the graph. 

b. What are the independent and dependent variables depicted in the graph? What kind of variables are they? If nominal or ordinal, what are the levels? 

c. What descriptive statistics are incl uded in the text or on the graph?

d. In one or two sen tences, what story is the graph trying to tell?

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10 Type I regrets Type II regrets Intensity of regrets 40s 20s 30s 50s 60s Age of participants || 4. 3.