Mary Anne investigated the effect of personality on college grade point average (GPA). She assembled a group of 31 General Psychology students who took the Jenkins Survey and also provided other information, including GPA. On the basis of the Jenkins Survey, participants were categorized as Type A personality (impatient, hostile, time oriented) or Type B personality (easy-going, less time oriented). Identify:
a. dependent variable;
b. independent variable and the number of levels;
c. a controlled extraneous variable;
d. a nominal variable

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The Answer of Mary Anne investigated the effect of personality on college grade point average (GPA). She assembled a group of 31 General Psychology students who took the Jenkins Survey and also provided other information, including GPA. On the basis of the Jenkins Survey, participants were categorized as Type A personality (impatient, hostile, time oriented) or Type B personality (easy-going, less time oriented). Identify:
a. dependent variable;
b. independent variable and the number of levels;
c. a controlled extraneous variable;
d. a nominal variable

Mary Anne Investigated the Effect of Personality on College Grade