A researcher intends to compare two different treatment conditions. Participants for the first treatment are selected and tested early in the school semester, and participants for the second treatment are selected and tested late in the semester. In this study, the time-of-testing represents a confounding variable
a. True
b. False
Indicate whether the statement is true or false
True
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Which of the following is a measure of the accuracy of prediction?
a. regression coefficient b. coefficient of determination c. standard error of estimate d. cross validation
According to the table in your textbook, personality disorders range from moderate impairment to high impairment to severe impairment. Of the personality disorders listed below, which would involve severe impairment?
a. histrionic b. borderline c. narcissistic d. dependent
Although Kim just ate a huge meal and feels "stuffed," the idea of a chocolate sundae is too good to pass up, so she orders one. Which motivational term explains the appeal - the external pull - of the sundae?
a) incentive b) instinctive c) drive reduction d) cognitive dissonance
When performing fellatio, care should be taken to
A. gently scrape the teeth across the shaft. B. avoid stimulating the scrotum. C. allow the partner performing the act to control the depth of insertion. D. prevent ejaculate from spilling onto the partner performing the act.