Question 1

In a double-blind study,

Accepted Answer

A)   only the experimenter knows which subjects are assigned to which group; neither her research assistants nor the subjects know about the group assignments.
B)   neither the experimenter nor the subjects know about group assignments.
C)   neither the experimenter's research assistants nor the subjects know what the dependent variables are.
D)   the main goal is to prevent subjects' expectations from influencing their behaviour.
E)   the experimenter is not aware of assignment to the control group OR the experimental groups.F) All of the above
G) B) and D)

Question 2

An agreement to participate as a subject in a study after first being instructed about the nature of the research and its possible negative effects is called

Accepted Answer

A)   debriefing.
B)   briefing.
C)   informed consent.
D)   the experimenter-subject agreement.
E)   the subject-experimenter agreement.F) B) and D)
G) A) and E)

Question 3

Jane Goodall's research began when she entered the habitat of wild chimpanzees and simply watched them. This type of research is termed

Accepted Answer

A)   experimentation.
B)   correlation.
C)   hypothesis testing.
D)   clinical observation
E)   naturalistic observation.F) B) and D)
G) C) and E)

Question 4

In essence, random assignment means that

Accepted Answer

A)   each subject in the study has an equal chance of being assigned to either the control group or the experimental group.
B)   subjects with particular characteristics are eliminated from the study.
C)   subjects with particular characteristics are assigned to particular groups.
D)   neither the subject nor the experimenter is aware of to which groups the subjects have been assigned, and thus do not know which group will be exposed to the independent variable.
E)   subjects are randomly selected to participate in the experiment.F) All of the above
G) C) and E)

Question 5

A measure of central tendency is used to

Accepted Answer

A)   characterize or represent a set of many observations.
B)   compare the differences in two sets of observations.
C)   identify each observation in a set of observations.
D)   calculate the amount of variability around the mean of a set of observations.
E)   determine the highest and lowest scores in a set of observations.F) D) and E)
G) C) and D)

Question 6

Dr. McGlynn is conducting a study on reaction time. He allows subjects to exercise strenuously for either 0, 10, or 20 minutes. Next, subjects are seated at a table containing a red push button and a yellow light. Each subject is asked to push the button as soon as he or she sees the light flash. Dr. McGlynn measures the time it takes each subject to push the button after the light is lit. What is the dependent variable in this study?

Accepted Answer

A)   the amount of time spent exercising
B)   colour of the button
C)   pushing the button
D)   reaction time
E)   colour of the lightF) A) and C)
G) A) and D)

Question 7

The special table that researchers consult after calculating the statistics for their study is based on the

Accepted Answer

A)   special properties of the mean and standard deviation.
B)   results of other research in related areas.
C)   results of other research on the same topic.
D)   likelihood of obtaining a significant difference by mistake.
E)   sum of results from research on the same topic.F) C) and D)
G) A) and D)

Question 8

When a researcher first carries out a replication of another researcher's study, the major purpose is

Accepted Answer

A)   to improve on the methodology of the first researcher.
B)   to check whether the same results occur.
C)   avoid sampling errors
D)   to enable generalization to a wider population
E)   to prevent subjects guessing the hypothesis of the experiment.F) B) and C)
G) A) and E)

Question 9

Descriptive statistics permit researchers to summarize a set of numbers in terms of

Accepted Answer

A)   central tendency only.
B)   variability only.
C)   both central tendency and variability.
D)   central tendency, variability, and statistical significance.
E)   both central tendency and statistical significance.F) A) and C)
G) B) and D)

Question 10

Debriefing in psychological research involves informing subjects of the true nature and purpose of the research in which they participated once the study is completed.

Accepted Answer

A) True 
 B)False

Question 11

A variable can be anything capable of assuming several values.

Accepted Answer

A) True 
 B)False

Question 12

To prevent the order in which stimuli are presented to subjects during an experiment from biasing the results, an experimenter should make sure that he or she uses a __________ procedure.

Accepted Answer

A)   counterbalancing
B)   matching
C)   randomization
D)   scatterplot
E)   correlationalF) A) and C)
G) C) and D)

Question 13

If a researcher is measuring the length of time different couples were engaged before getting married and their reported level of happiness with their marriage, in order to determine whether these two variables are related, he or she is carrying out a(n)  __________ study.

Accepted Answer

A)   experimental
B)   correlational
C)   naturalistic observation
D)   case
E)   observationalF) A) and E)
G) A) and B)

Question 14

The final step in calculating the standard deviation for a set of scores is to calculate the square root of the

Accepted Answer

A)   mean.
B)   median.
C)   range.
D)   variance.
E)   sum of the scores.F) A) and D)
G) All of the above

Question 15

As a measure of variability, the range is considered to be superior to the standard deviation.

Accepted Answer

A) True 
 B)False

Question 16

The primary reason why researchers calculate an inferential statistic on the data that they collect is because they

Accepted Answer

A)   wish to determine the statistical significance of their results.
B)   wish to prove beyond a doubt that their hypothesis is correct.
C)   desire to establish the reliability and validity of their methodology.
D)   need to in order to get their research published in a professional journal.
E)   want to organize their data and examine central tendencies.F) A) and D)
G) A) and E)

Question 17

An operational definition

Accepted Answer

A)   is a technique used to measure a dependent variable.
B)   guarantees that all subjects in a study will be treated equally.
C)   describes a variable in terms of the operations that will be used to measure or manipulate it.
D)   is difficult to achieve in psychology because most psychological research involves variables that are hypothetical constructs. concerning the nature of thinking and emotion.
E)   describes the effect of the independent variable.F) B) and C)
G) C) and D)

Question 18

One way to obtain generalizable results regarding the average height of the students at your school is to measure the height of individual members of your school's basketball team and then calculate the mean of those measurements.

Accepted Answer

A) True 
 B)False

Question 19

Suppose that your roommate snaps at you. After doing so, she says, "I'm sorry, I'm just a bit grumpy today."Which of the following statements about your roommate is true?

Accepted Answer

A)   She has not committed the nominal fallacy.
B)   Her grumpiness explains her behaviour.
C)   Her snapping at you is due to her grumpiness.
D)   Her grumpiness does not explain her behaviour.
E)   Her grumpiness causes her behaviour.F) All of the above
G) A) and C)

Question 20

A graph that contains data points for two variables and is constructed for the purpose of assessing the degree of relationship between the variables is called a

Accepted Answer

A)   bar graph.
B)   frequency distribution.
C)   scatterplot.
D)   regression analysis.
E)   frequency plot.F) A) and D)
G) D) and E)

Exam 2: The Ways and Means of Psychology

The primary reason why researchers calculate an inferential statistic on the data that they collect is because they

Correct Answer
verified

In a double-blind study,

Correct Answer
verified

An operational definition

Correct Answer
verified

Correct Answer
verified

Jane Goodall's research began when she entered the habitat of wild chimpanzees and simply watched them. This type of research is termed

Correct Answer
verified

In essence, random assignment means that

Correct Answer
verified

One way to obtain generalizable results regarding the average height of the students at your school is to measure the height of individual members of your school's basketball team and then calculate the mean of those measurements.

Correct Answer
verified

When a researcher first carries out a replication of another researcher's study, the major purpose is

Correct Answer
verified

A measure of central tendency is used to

Correct Answer
verified

Suppose that your roommate snaps at you. After doing so, she says, "I'm sorry, I'm just a bit grumpy today."Which of the following statements about your roommate is true?

Correct Answer
verified

If a researcher is measuring the length of time different couples were engaged before getting married and their reported level of happiness with their marriage, in order to determine whether these two variables are related, he or she is carrying out a(n) __________ study.

Correct Answer
verified

The special table that researchers consult after calculating the statistics for their study is based on the

Correct Answer
verified

As a measure of variability, the range is considered to be superior to the standard deviation.

Correct Answer
verified

A graph that contains data points for two variables and is constructed for the purpose of assessing the degree of relationship between the variables is called a

Correct Answer
verified

A variable can be anything capable of assuming several values.

Correct Answer
verified

Descriptive statistics permit researchers to summarize a set of numbers in terms of

Correct Answer
verified

To prevent the order in which stimuli are presented to subjects during an experiment from biasing the results, an experimenter should make sure that he or she uses a __________ procedure.

Correct Answer
verified

The final step in calculating the standard deviation for a set of scores is to calculate the square root of the

Correct Answer
verified

An agreement to participate as a subject in a study after first being instructed about the nature of the research and its possible negative effects is called

Correct Answer
verified

Debriefing in psychological research involves informing subjects of the true nature and purpose of the research in which they participated once the study is completed.

Correct Answer
verified

Exam 2: The Ways and Means of Psychology

The primary reason why researchers calculate an inferential statistic on the data that they collect is because they

Correct AnswerverifiedShow Answer

In a double-blind study,

Correct AnswerverifiedShow Answer

An operational definition

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Jane Goodall's research began when she entered the habitat of wild chimpanzees and simply watched them. This type of research is termed

Correct AnswerverifiedShow Answer

In essence, random assignment means that

Correct AnswerverifiedShow Answer

One way to obtain generalizable results regarding the average height of the students at your school is to measure the height of individual members of your school's basketball team and then calculate the mean of those measurements.

Correct AnswerverifiedShow Answer

When a researcher first carries out a replication of another researcher's study, the major purpose is

Correct AnswerverifiedShow Answer

A measure of central tendency is used to

Correct AnswerverifiedShow Answer

Suppose that your roommate snaps at you. After doing so, she says, "I'm sorry, I'm just a bit grumpy today."Which of the following statements about your roommate is true?

Correct AnswerverifiedShow Answer

If a researcher is measuring the length of time different couples were engaged before getting married and their reported level of happiness with their marriage, in order to determine whether these two variables are related, he or she is carrying out a(n) __________ study.

Correct AnswerverifiedShow Answer

The special table that researchers consult after calculating the statistics for their study is based on the

Correct AnswerverifiedShow Answer

As a measure of variability, the range is considered to be superior to the standard deviation.

Correct AnswerverifiedShow Answer

A graph that contains data points for two variables and is constructed for the purpose of assessing the degree of relationship between the variables is called a

Correct AnswerverifiedShow Answer

A variable can be anything capable of assuming several values.

Correct AnswerverifiedShow Answer

Descriptive statistics permit researchers to summarize a set of numbers in terms of

Correct AnswerverifiedShow Answer

To prevent the order in which stimuli are presented to subjects during an experiment from biasing the results, an experimenter should make sure that he or she uses a __________ procedure.

Correct AnswerverifiedShow Answer

The final step in calculating the standard deviation for a set of scores is to calculate the square root of the

Correct AnswerverifiedShow Answer

An agreement to participate as a subject in a study after first being instructed about the nature of the research and its possible negative effects is called

Correct AnswerverifiedShow Answer

Debriefing in psychological research involves informing subjects of the true nature and purpose of the research in which they participated once the study is completed.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified