Question 1

Why do we more often hear references to the median family income in the U.S.than to the mean family income in the U.S

Accepted Answer

A)   The median is the most common income.
B)   Family incomes are very similar across the U.S., making the mean to compute.
C)   Income data is highly influenced by a small number of families making extremely high incomes.
D)   There are too many families in the U.S. for the mean to be computed.E) B) and C)
F) A) and B)

Question 2

Which of the following is the best example of basic research

Accepted Answer

A)   A comparison of the relative effectiveness of two safe-sex campaigns
B)   A study of the effect of a bilingual education program on academic performance
C)   A laboratory investigation of the effect of rehearsal on list memory
D)   An assessment of a program designed to reduce binge drinking among college studentsE) All of the above
F) B) and C)

Question 3

Statements based on systematic data collection and analysis are termed _________.

Accepted Answer

The answer of Statements based on systematic data collection and...

Question 4

When asked to define 'popularity,' Brianna says,"It's when everyone likes you." When asked the same question,Chrissy says,"It's the number of friends you have." How do the two girls' definitions differ

Accepted Answer

A)   Brianna's is an operational definition; Chrissy's is not.
B)   Brianna's is a procedural definition; Chrissy's is not.
C)   Chrissy's is an operational definition; Brianna's is not.
D)   Chrissy's is a conceptual definition; Brianna's is not.E) All of the above
F) None of the above

Question 5

Which of the following is a measure of variability

Accepted Answer

A)   median
B)   correlation coefficient
C)   mode
D)   mean
E)   rangeF) B) and E)
G) A) and C)

Question 6

The correlation coefficient ranges from:

Accepted Answer

A)   -100 to 100
B)   -1.00 to 1.00
C)   0 to 1
D)   0 to 100E) C) and D)
F) A) and B)

Question 7

"Every time I take it,it tells me something different!" complains your friend,turning away from the online personality quiz she just completed.Your friend is complaining about the test's __________.

Accepted Answer

A)   construct validity
B)   external validity
C)   reliability
D)   statistical significanceE) None of the above
F) B) and D)

Question 8

Anderson and Dill (2000) studied the effects of playing violent video games on white noise blasts in a laboratory study.In this study the type of video game was which of the following

Accepted Answer

A)   The common-causal variable
B)   The independent variable
C)   The dependent variable
D)   The control variableE) B) and C)
F) A) and B)

Question 9

Naturalistic observation entails which of the following

Accepted Answer

A)   The systematic, detailed study of a single individual
B)   Examining existing records, such as census documents
C)   Asking a sample of individuals a set of questions
D)   Examining behavior in the setting in which it typically occursE) All of the above
F) A) and C)

Question 10

Dr.DeJong randomly selects 100 individuals to participate in an experiment.She then randomly assigns the participants to several different conditions.With reference to the potential threats to validity described in your text,what are the goals of random selection and random assignment,respectively

Accepted Answer

A)   Both random selection and random assignment protect the external validity of the research.
B)   Random selection protects the external validity of the research. Random assignment protects its internal validity.
C)   Random selection protects the external validity of the research. Random assignment protects its construct validity.
D)   Random selection protects the construct validity of the research. Random assignment protects its internal validity.E) A) and B)
F) B) and C)

Question 11

Irving has noticed a pattern: The more alcohol people drink,the more aggressive they seem to be.Which research method is aimed at verifying a relationship between two variables

Accepted Answer

A)   Naturalistic observation
B)   Case study
C)   correlational research
D)   descriptive researchE) B) and D)
F) All of the above

Question 12

Which of the following sequences of correlation coefficients correctly arranges the relationships between three pairs of two variables in order of increasing strength

Accepted Answer

A)   -.60, .10, .50
B)   -.60, -.50, .00
C)   . -.60, .50, .10
D)   .10, .50, -.60E) All of the above
F) A) and B)

Question 13

The mean is the most common measure of central tendency.

Accepted Answer

A) True 
 B)False

Question 14

Dr.Girard is conducting a detailed examination of a patient with dissociative identity disorder.Dr.Girard is undertaking:

Accepted Answer

A)   a survey
B)   experimental research
C)   a case study
D)   naturalistic observationE) None of the above
F) B) and C)

Question 15

Dr.Ingram deliberately systematically manipulated the number of items on a list and later measured participants' recall of the items.Dr.Ingram conducted a(n) ___________ study.

Accepted Answer

A)   correlational
B)   observational
C)   descriptive
D)   experimentalE) None of the above
F) A) and B)

Question 16

A particular county includes several affluent communities in which home values are extremely high.Which of the following is the BEST prediction we can make regarding the mean and median home values in the county as a whole

Accepted Answer

A)   The mean and median home values are probably the same.
B)   The mean and median home values are different.
C)   The median home value is lower than the mean home value.
D)   The median home value is higher than the mean home value.E) A) and B)
F) B) and D)

Question 17

The Balanced Inventory of Desirable Responding asks respondents 20 questions about their attitudes and behavior.It is probably most often used in __________ research.

Accepted Answer

The answer of The Balanced Inventory of Desirable Responding asks...

Question 18

Which of the following is true regarding the sensitivity of measures of central tendency to extreme scores

Accepted Answer

A)   Neither the mean nor the median is sensitive to extreme scores.
B)   The mean and the median are both equally sensitive to extreme scores.
C)   The mean is more sensitive to extreme scores than is the median.
D)   The mean is less sensitive to extreme scores than is the median.E) C) and D)
F) None of the above

Question 19

Applied research answers fundamental questions about behavior.

Accepted Answer

A) True 
 B)False

Question 20

Dr.Williams has developed a paper-and-pencil test to assess fear of heights.He gives the test to 50 research participants.He finds that scores on the test have a correlation of only .25 with physiological measures of fear.The low correlation suggests that the test may not have which of the following

Accepted Answer

A)   Construct validity
B)   Reliability
C)   Internal validity
D)   External validityE) A) and B)
F) B) and D)

Exam 2: Learning Styles

The correlation coefficient ranges from:

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Which of the following is true regarding the sensitivity of measures of central tendency to extreme scores

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Naturalistic observation entails which of the following

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A particular county includes several affluent communities in which home values are extremely high.Which of the following is the BEST prediction we can make regarding the mean and median home values in the county as a whole

Correct AnswerverifiedShow Answer

"Every time I take it,it tells me something different!" complains your friend,turning away from the online personality quiz she just completed.Your friend is complaining about the test's __________.

Correct AnswerverifiedShow Answer

Which of the following sequences of correlation coefficients correctly arranges the relationships between three pairs of two variables in order of increasing strength

Correct AnswerverifiedShow Answer

The Balanced Inventory of Desirable Responding asks respondents 20 questions about their attitudes and behavior.It is probably most often used in __________ research.

Correct AnswerverifiedShow Answer

The mean is the most common measure of central tendency.

Correct AnswerverifiedShow Answer

Applied research answers fundamental questions about behavior.

Correct AnswerverifiedShow Answer

Anderson and Dill (2000) studied the effects of playing violent video games on white noise blasts in a laboratory study.In this study the type of video game was which of the following

Correct AnswerverifiedShow Answer

Statements based on systematic data collection and analysis are termed _________.

Correct AnswerverifiedShow Answer

Dr.Girard is conducting a detailed examination of a patient with dissociative identity disorder.Dr.Girard is undertaking:

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

When asked to define 'popularity,' Brianna says,"It's when everyone likes you." When asked the same question,Chrissy says,"It's the number of friends you have." How do the two girls' definitions differ

Correct AnswerverifiedShow Answer

Which of the following is the best example of basic research

Correct AnswerverifiedShow Answer

Dr.Ingram deliberately systematically manipulated the number of items on a list and later measured participants' recall of the items.Dr.Ingram conducted a(n) ___________ study.

Correct AnswerverifiedShow Answer

Irving has noticed a pattern: The more alcohol people drink,the more aggressive they seem to be.Which research method is aimed at verifying a relationship between two variables

Correct AnswerverifiedShow Answer

Why do we more often hear references to the median family income in the U.S.than to the mean family income in the U.S

Correct AnswerverifiedShow Answer

Dr.DeJong randomly selects 100 individuals to participate in an experiment.She then randomly assigns the participants to several different conditions.With reference to the potential threats to validity described in your text,what are the goals of random selection and random assignment,respectively

Correct AnswerverifiedShow Answer

Which of the following is a measure of variability

Correct AnswerverifiedShow Answer

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