The _____ always marks the 50th percentile of the distribution
a. mean
b. median
c. mode
d. standard deviation
Answer: B
Rationale: This is the point on the horizontal axis at which 50% of all observations are lower, and 50% of all observations are higher.
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Your friend Jane is trying to reduce her son Austin's aggressive tendencies. Of the alternatives below, which would you recommend to Jane?
A) Give him a doll to beat on when he's feeling mad. B) Get him involved in an aggressive sport like football. C) Respond quickly and send him to his room every time he aggresses. D) Explain to him that it is wrong to be overly aggressive. E) Have him run up and down the stairs to relieve his aggressive urges.
Most clinicians agree with the __________ explanation of the origins of vaginismus.
A. cognitive-behavioral B. biological C. psychodynamic D. sociocultural