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CHAPTER 3 REVIEW
Please note this is not meant to be a complete review.
Read the chapter and review the vocabulary along with
the concepts presented.
Chapter 3 Questions
The General Social Survey (GSS), conducted by the
National Opinion Research Center at the University of
Chicago, is a major source of data on social attitudes in
the U.S. Once each year 1500 adults are interviewed in
their homes all across the country. The subjects are asked
their opinions about sex and marriage, attitudes toward
women, welfare, foreign policy and many other issues.
The GSS is an example of
a. anecdotal information.
c. a sample survey.
b. using available data.
d. an experiment.
Chapter 3 Questions
The General Social Survey (GSS), conducted by the
National Opinion Research Center at the University of
Chicago, is a major source of data on social attitudes in
the U.S. Once each year 1500 adults are interviewed in
their homes all across the country. The subjects are asked
their opinions about sex and marriage, attitudes toward
women, welfare, foreign policy and many other issues.
The population for the GSS is
a. all adult residents of the U.S.
b. the University of Chicago.
c. the 1500 persons
interviewed.
d. the list of questions asked.
Chapter 3 Questions
The General Social Survey (GSS), conducted by the National
Opinion Research Center at the University of Chicago, is a major
source of data on social attitudes in the U.S. Once each year 1500
adults are interviewed in their homes all across the country. The
subjects are asked their opinions about sex and marriage, attitudes
toward women, welfare, foreign policy and many other issues.
The GSS begins by selecting a sample of counties from the
3000 counties in the country. The counties are divided into
urban, rural, and suburban; a separate sample is chosen at
random from each group. This is a
a. a simple random sample
b. a stratified random sample.
c. a systematic random
sample.
d. voluntary response sample.
Chapter 3 Questions
A study at Yale Medical School investigated treatments for
chronic cocaine abusers. Of the 72 subjects, all were cocaine
users who wanted to quit; 24 were assigned at random to
each of three drugs: a) desipramine, b) lithium, c) a placebo.
After 6 weeks the subjects reported whether they had stayed
off cocaine.
a. an experiment.
b. a sample survey.
c. using available data.
d. an observational study, but
not a sample survey.
Chapter 3 Questions
A study at Yale Medical School investigated treatments for
chronic cocaine abusers. Of the 72 subjects, all were cocaine
users who wanted to quit; 24 were assigned at random to
each of three drugs: a) desipramine, b) lithium, c) a placebo.
After 6 weeks the subjects reported whether they had stayed
off cocaine.
The explanatory variable in the Yale study is
a. whether or not a subject stayed off cocaine.
b. the 72 cocaine users.
c. which drug a subject was given.
d. randomization.
Chapter 3 Questions
A study at Yale Medical School investigated treatments for
chronic cocaine abusers. Of the 72 subjects, all were cocaine
users who wanted to quit; 24 were assigned at random to
each of three drugs: a) desipramine, b) lithium, c) a placebo.
After 6 weeks the subjects reported whether they had stayed
off cocaine.
The response variable in the Yale study is
a. whether or not a subject stayed off cocaine.
b. the 72 cocaine users.
c. which drug a subject was given.
d. randomization.
Chapter 3 Questions
A study at Yale Medical School investigated treatments for chronic
cocaine abusers. Of the 72 subjects, all were cocaine users who wanted to
quit; 24 were assigned at random to each of three drugs: a) desipramine,
b) lithium, c) a placebo.
After 6 weeks the subjects reported whether they had stayed off cocaine.
All the subjects in the Yale study were male. A similar study
had 60 male and 30 female subjects. The men and women
were separately assigned at random to the three treatments so
that separate conclusions are possible for men and women.
This design is called
a. block design.
b. a stratified random sample.
c. a matched-pairs design
d. a completely randomized
design.
Chapter 3 Questions
You are designing a clinical trial to see whether added calcium in
the diet will reduce the blood pressure of middle-aged men. You
plan to give added calcium to a group of men and see whether
their blood pressure is lower after six weeks. If you don’t
include a control group, your data will be invalid because of
a. lack of confidentiality
b. the double-blind effect.
c. voluntary
d. the placebo effect.
Chapter 3 Questions
You are designing a clinical trial to see whether added calcium in
the diet will reduce the blood pressure of middle-aged men. You
plan to give added calcium to a group of men and see whether
their blood pressure is lower after six weeks.
In this experiment neither the subjects nor the doctors
who work with them know whether or not a subject was
given extra calcium. This is called.
a. a block design
b. the double-blind technique.
c. randomization
d. confounding