Which of the following is an advantage of cluster sampling over simple random sampling in many cases?
a. the error of estimation is lower
b. the respondents may be closer together geographically
c. it is more representative of the population
d. it is a nonprobability sampling procedure
e. the required sample size is smaller
B
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A procedure in which a small sample of amniotic fluid is analyzed to detect chromosomal abnormalities in the fetus or to determine the sex of the fetus is known as ____
a. ultrasound b. amniocentesis c. chorionic villus sampling d. maternal-serum alpha-fetoprotein screening
Binet and Simon's intelligence test included _____ items as one subtest area
A) drawing pictures from memory B) reciting poems C) object assembly D) tests of athletic ability
The American Psychological Association has created divisions addressing all of the following areas of diversity except _____.
A. women B. religion C. ethnic minorities D. sightedness
Depression is
a. always accompanied by a manic state. b. equally common among men and women. c. a type of psychosis. d. the most common psychological disorder.