The fear circuit that is particularly important in explaining panic disorder is called the

A professor wants to design her courses to offer students the best chance of succeeding. In order to determine the best approach to use, she decides to vary the number of quizzes she administers during her first two years of teaching

What is a good dependent variable for this professor to use? a) number of absences in each class b) average grade in each of the classes c) students' scores on the Scholastic Aptitude Test d) number of seniors in each of the classes she teaches

A teacher has often heard that humor might have educational benefits in class. This teacher designs an experiment to determine if humor influences test scores. Students in the teacher's classes are randomly assigned to control and experimental groups

What is a likely difference in the way the two groups will be treated in this experiment? a) The two groups will be treated exactly the same in all respects. b) The control group will be allowed to tell jokes in class; the experimental group will listen to the jokes. c) The control group will take regular tests; the experimental group will take the same tests with some humor included in the items. d) The control group will listen to humorous recordings while taking tests; the experimental group will take the same tests under regular conditions.