Rich is conducting a survey of student opinion of the dining hall at his university. Rich decided to conduct his survey using students enrolled in introductory psychology classes. The type of sampling technique that Rich is using is:
a. random sampling.
b. cluster sampling.
c. stratified random sampling.
d. representative sampling.
b
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Compared to psychotherapy, antidepressant drugs have what advantage?
a. The benefits are more likely to be long-lasting b. They provide benefits to a larger number of people. c. Their effects are better understood theoretically. d. They are less expensive.
How many calories per day should infants consume for each pound they weigh?
A. 25 B. 50 C. 100 D. 200
Jeff is using a measure that will indicate how many standard deviations above or below the mean a score is. The measure being used by Jeff is called a
a. z-score. b. Pearson r. c. median. d. coefficient of correlation.
The radical reexamination and sudden transformation that is widely believed to occur at age 40 is termed the ______
Fill in the blank with correct word