The variability of the distribution ______ with a smaller sample size.
A. increases
B. decreases
C. stabilizes
D. destabilizes
Answer: A
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Both boys and girls produce testosterone and estrogen
Indicate whether this statement is true or false.
Suppose you have a friend who is consistently optimistic in her approach to all of life's problems. Your friend would be most likely to attribute her failures to ________ causes
a. internal, unstable, and global b. internal, stable, and global c. external, unstable, and specific d. external, stable, and specific
__________ samples generally become more biased as the investigation proceeds because of __________
A) Cross-sectional; practice effects B) Microgenetic; cohort effects C) Longitudinal; selective attrition D) Cross-sectional; cohort effects
Suppose you interview a group of people who were 12th graders in 2009
If you believe they represent a "typical" population of people growing up in the United States at this time, you would expect that about ____ of these students would have had sexual intercourse. a. 15% b. 33% c. 50% d. 67%