Question 1

Explain the difference between a positive and a negative correlation using appropriate examples.

Accepted Answer

A positive correlation refers to a relat...

Question 2

Which of the following is a measure of variability?

Accepted Answer

A)  the mean
B)  the range
C)  the mode
D)  the medianE) None of the above
F) A) and B)

Question 3

Tess went to a day care center to study social interactions in young children.She used a hidden camera and she told the children she was a student teacher working there for the day.In this case Tess is using:

Accepted Answer

A)  the case study method of research
B)  survey research
C)  correlational research
D)  participant observation as a method of researchE) None of the above
F) A) and C)

Question 4

The arithmetic average or ____________________ is a commonly used measure of central tendency.

Accepted Answer

The answer of The arithmetic average or ____________________ is a...

Question 5

Which of the following is NOT involved in scientific method?

Accepted Answer

A)  observation
B)  generation of a hypothesis
C)  testing a hypothesis for accuracy
D)  clairvoyanceE) None of the above
F) C) and D)

Question 6

Mathematical techniques such as the mean and standard deviation, that help researchers describe their data, are called __________________.

Accepted Answer

descriptiv...

Question 7

The value around which scores in a data set tend to cluster is called:

Accepted Answer

A)  a measure of variability
B)  a correlational coefficient
C)  the standard deviation
D)  a measure of central tendencyE) A) and D)
F) A) and C)

Question 8

Imagine that the personality traits of conscientiousness and extroversion have a strong negative correlation.If Heidi has a score in conscientiousness that is extremely low:

Accepted Answer

A)  she will probably also have a low score in extroversion
B)  It is impossible to predict how she is likely to score on the extroversion scale without more information
C)  she will probably have a score in extroversion that is quite high
D)  her extroversion score would probably be about average (neither high nor low) E) B) and D)
F) C) and D)

Question 9

When a researcher attempts to become part of the activities being studied, in order to unobtrusively observe the behavior under investigation, the researcher is engaging in:

Accepted Answer

A)  participant observation
B)  case study research
C)  correlational research
D)  survey researchE) All of the above
F) B) and D)

Question 10

If random assignment is used, researchers assume that differences in group performance are not due to:

Accepted Answer

A)  experimenter expectancies about the experiment
B)  differences in the personal characteristics of subjects in each group
C)  subject expectancies about the experiment
D)  the environmental conditions that are intentionally manipulated in the experimentE) A) and B)
F) A) and C)

Question 11

Dr.Krenshaw believes that people who are under stress will develop more colds than people who are not under stress.When he randomly selects 20 participants and exposes them to high levels of stress, he finds that 17 of the participants develop colds.Based on these results, Dr.Krenshaw concludes that stress causes an increase in the number of colds a person experiences.His reasoning may be flawed because in this study:

Accepted Answer

A)  there was no dependent variable
B)  there was no control group for comparison
C)  he didn't formulate a hypothesis before he collected his data
D)  he didn't measure the independent variable when the study endedE) A) and C)
F) A) and D)

Question 12

Some measures of central tendency can be influenced by ____________________, which is how much the scores in a data set differ from one another.

Accepted Answer

The answer of Some measures of central tendency can be...

Question 13

An inactive or inert substance that appears to be a real drug is called:

Accepted Answer

A)  a confounding variable
B)  a placebo
C)  a random variable
D)  a theoretical constructE) None of the above
F) C) and D)

Question 14

Dr.Duggan is trying to determine the likelihood that the pattern of responses in the data collected during a recent study occurred by chance.To help in making this determination, Dr.Duggan should use:

Accepted Answer

A)  inferential statistics
B)  descriptive statistics
C)  case study analysis
D)  operational definitionsE) B) and C)
F) B) and D)

Question 15

The range of a set of data is the sum of the largest and smallest scores.

Accepted Answer

A) True 
 B)False

Question 16

The research method that focuses on a single individual is:

Accepted Answer

A)  naturalistic observation
B)  case study research
C)  the survey method
D)  correlational researchE) A) and D)
F) All of the above

Question 17

Outline the four steps in the scientific method using an appropriate example to illustrate each of the steps.

Accepted Answer

The scientific method is a systematic ap...

Question 18

Explain how experimental research differs from correlational research and identify the advantages that are associated with the experimental research method.

Accepted Answer

Experimental research differs from corre...

Question 19

Descriptive statistics help researchers:

Accepted Answer

A)  decide whether the behavior observed in a sample is representative of some larger population
B)  determine the likelihood that the pattern in the collected data occurred by chance
C)  describe the data obtained in a research study
D)  measure an individual's current level of knowledge in a particular areaE) All of the above
F) A) and D)

Question 20

A researcher who waits by a store exit, recording the general age of each customer, and whether the customer uses the automatic or manual door is engaged in:

Accepted Answer

A)  naturalistic observation
B)  psychological testing
C)  experimentation
D)  case study researchE) B) and C)
F) B) and D)

Exam 2: The Tools of Psychological Research

Outline the four steps in the scientific method using an appropriate example to illustrate each of the steps.

Correct Answer
Answered by ExamLex AI
The scientific method is a systematic ap...
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Explain how experimental research differs from correlational research and identify the advantages that are associated with the experimental research method.

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Answered by ExamLex AI
Experimental research differs from corre...
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Dr.Duggan is trying to determine the likelihood that the pattern of responses in the data collected during a recent study occurred by chance.To help in making this determination, Dr.Duggan should use:

Correct Answer
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Which of the following is NOT involved in scientific method?

Correct Answer
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Correct Answer
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Which of the following is a measure of variability?

Correct Answer
verified

Tess went to a day care center to study social interactions in young children.She used a hidden camera and she told the children she was a student teacher working there for the day.In this case Tess is using:

Correct Answer
verified

An inactive or inert substance that appears to be a real drug is called:

Correct Answer
verified

Imagine that the personality traits of conscientiousness and extroversion have a strong negative correlation.If Heidi has a score in conscientiousness that is extremely low:

Correct Answer
verified

Explain the difference between a positive and a negative correlation using appropriate examples.

Correct Answer
Answered by ExamLex AI
A positive correlation refers to a relat...
View Answer

Descriptive statistics help researchers:

Correct Answer
verified

When a researcher attempts to become part of the activities being studied, in order to unobtrusively observe the behavior under investigation, the researcher is engaging in:

Correct Answer
verified

The value around which scores in a data set tend to cluster is called:

Correct Answer
verified

If random assignment is used, researchers assume that differences in group performance are not due to:

Correct Answer
verified

A researcher who waits by a store exit, recording the general age of each customer, and whether the customer uses the automatic or manual door is engaged in:

Correct Answer
verified

The range of a set of data is the sum of the largest and smallest scores.

Correct Answer
verified

Some measures of central tendency can be influenced by ____________________, which is how much the scores in a data set differ from one another.

Correct Answer
verified

The arithmetic average or ____________________ is a commonly used measure of central tendency.

Correct Answer
verified

Mathematical techniques such as the mean and standard deviation, that help researchers describe their data, are called __________________.

Correct Answer
verified
descriptiv...
View Answer

The research method that focuses on a single individual is:

Correct Answer
verified

Exam 2: The Tools of Psychological Research

Outline the four steps in the scientific method using an appropriate example to illustrate each of the steps.

Correct AnswerAnswered by ExamLex AIThe scientific method is a systematic ap...View AnswerShow Answer

Explain how experimental research differs from correlational research and identify the advantages that are associated with the experimental research method.

Correct AnswerAnswered by ExamLex AIExperimental research differs from corre...View AnswerShow Answer

Dr.Duggan is trying to determine the likelihood that the pattern of responses in the data collected during a recent study occurred by chance.To help in making this determination, Dr.Duggan should use:

Correct AnswerverifiedShow Answer

Which of the following is NOT involved in scientific method?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which of the following is a measure of variability?

Correct AnswerverifiedShow Answer

Tess went to a day care center to study social interactions in young children.She used a hidden camera and she told the children she was a student teacher working there for the day.In this case Tess is using:

Correct AnswerverifiedShow Answer

An inactive or inert substance that appears to be a real drug is called:

Correct AnswerverifiedShow Answer

Imagine that the personality traits of conscientiousness and extroversion have a strong negative correlation.If Heidi has a score in conscientiousness that is extremely low:

Correct AnswerverifiedShow Answer

Explain the difference between a positive and a negative correlation using appropriate examples.

Correct AnswerAnswered by ExamLex AIA positive correlation refers to a relat...View AnswerShow Answer

Descriptive statistics help researchers:

Correct AnswerverifiedShow Answer

When a researcher attempts to become part of the activities being studied, in order to unobtrusively observe the behavior under investigation, the researcher is engaging in:

Correct AnswerverifiedShow Answer

The value around which scores in a data set tend to cluster is called:

Correct AnswerverifiedShow Answer

If random assignment is used, researchers assume that differences in group performance are not due to:

Correct AnswerverifiedShow Answer

A researcher who waits by a store exit, recording the general age of each customer, and whether the customer uses the automatic or manual door is engaged in:

Correct AnswerverifiedShow Answer

The range of a set of data is the sum of the largest and smallest scores.

Correct AnswerverifiedShow Answer

Some measures of central tendency can be influenced by ____________________, which is how much the scores in a data set differ from one another.

Correct AnswerverifiedShow Answer

The arithmetic average or ____________________ is a commonly used measure of central tendency.

Correct AnswerverifiedShow Answer

Mathematical techniques such as the mean and standard deviation, that help researchers describe their data, are called __________________.

Correct Answerverifieddescriptiv...View AnswerShow Answer

The research method that focuses on a single individual is:

Correct AnswerverifiedShow Answer

Correct Answer
Answered by ExamLex AI
The scientific method is a systematic ap...
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Correct Answer
Answered by ExamLex AI
Experimental research differs from corre...
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Correct Answer
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Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
verified

Correct Answer
Answered by ExamLex AI
A positive correlation refers to a relat...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
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descriptiv...
View Answer

Correct Answer
verified