STUDY: A researcher is interested in genetic links to panic disorder. She selects a sample of 500 people from a Psychology 101 class. Each participant is given a structured interview to determine if they have panic disorder.
Two groups are created (panic disorder and no panic disorder). All participants are given a questionnaire to determine the number of relatives who have anxiety disorders. The researcher calculates if the group of participants with panic disorder differs from the group of participants without panic disorder in the number of relatives with anxiety disorders.
What is the dependent measure in the above study?
A) number of relatives with anxiety disorders
B) panic disorder diagnosis
C) result of the structured interview
D) gender
Question 2
A researcher does a study on the effects of rap music on reaction time. tic
The participants are matched on initial reaction time, then one of each pair is assigned randomly to either the experimental or control group, and his/her matched partner is automatically assigned to the other group. To analyze this study, ________ should be used.
A) a repeated measures ANOVA
B) a t-test for independent groups
C) a correlated t-test
D) either A or C
Fill in the blank with the correct answer.
Cataract. When the pupil is dilated, an abnormal opacity or whiteness of the lens can be observed in
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