Question 1

RESEARCH STUDY 7.1: Professor Kramer has decided to measure how happy his students are with his teaching this semester.He is teaching two classes this semester-Psychology and Law and Introduction to Neuroscience.He gives his students a survey. If all the students in Dr.Kramer's two classes complete the survey, then Dr.Kramer has done which of the following?

Accepted Answer

A)   Decreased the external validity of his study
B)   Collected too much data
C)   Relied on a census
D)   Enhanced sampling biasE) C) and D)
F) A) and C)

Question 2

Having a representative sample is most important in which of the following example claims?

Accepted Answer

A)   "Having a dark triad personality is associated with having greater relationship problems."
B)   "Receiving weekly feedback from your supervisor increases work productivity."
C)   "People who report knowing someone who has been diagnosed with skin cancer also report having greater sunscreen use."
D)   "Forty-three percent of psychology majors report being frustrated by people asking them if they are psychoanalyzing them."E) A) and B)
F) A) and C)

Question 3

RESEARCH STUDY 7.1: Professor Kramer has decided to measure how happy his students are with his teaching this semester.He is teaching two classes this semester-Psychology and Law and Introduction to Neuroscience.He gives his students a survey. Dr.Kramer could reasonably use his sample to say something about which of the following populations of interest?

Accepted Answer

A)   Students enrolled at the university
B)   Students who are political science majors
C)   Students who have taken a class with Dr. Kramer
D)   Students currently taking a psychology classE) C) and D)
F) B) and D)

Question 4

If researchers measure every member of a population, they have:

Accepted Answer

A)   conducted a census.
B)   collected a sample.
C)   increased internal validity.
D)   biased the study.E) B) and C)
F) All of the above

Question 5

Which of the following is true of a nonrepresentative sample in a research claim?

Accepted Answer

A)   You should automatically disregard the claim.
B)   You should automatically accept the claim.
C)   You should ask whether it is relevant to what the researchers are measuring.
D)   You should ask whether more participants are necessary.E) B) and D)
F) None of the above

Exam 7: Sampling: Estimating the Frequency of Behaviors and Beliefs

Correct Answer
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Correct Answer
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If researchers measure every member of a population, they have:

Correct Answer
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Having a representative sample is most important in which of the following example claims?

Correct Answer
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Which of the following is true of a nonrepresentative sample in a research claim?

Correct Answer
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Exam 7: Sampling: Estimating the Frequency of Behaviors and Beliefs

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If researchers measure every member of a population, they have:

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Having a representative sample is most important in which of the following example claims?

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Which of the following is true of a nonrepresentative sample in a research claim?

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Correct Answer
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Correct Answer
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Correct Answer
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