Question 1

Which of the following factors would most severely reduce the usefulness of a placebo in a controlled experiment?

Accepted Answer

A)  It is likely that the treatment being tested is actually no more effective than the placebo. 
B)  It is relatively easy for subjects to distinguish the placebo from a potentially effective treatment. 
C)  Some of the test subjects exhibit effects from the placebo similar to those of the treatment being tested. 
D)  The test subjects have not been told what effects the tested treatment would have that the placebo lacks. 
A)  It is likely that the treatment being tested is actually no more effective than the placebo. 
B)  It is relatively easy for subjects to distinguish the placebo from a potentially effective treatment. 
C)  Some of the test subjects exhibit effects from the placebo similar to those of the treatment being tested. 
D)  The test subjects have not been told what effects the tested treatment would have that the placebo lacks.

Question 2

The presence of adoring groupies at a small local club make a rock band confident they will become world famous. They should probably pay more attention to the importance of

Accepted Answer

A)  reliability. 
B)  frequency distributions. 
C)  effect size. 
D)  representative samples. 
A)  reliability. 
B)  frequency distributions. 
C)  effect size. 
D)  representative samples.

Question 3

On an empathy questionnaire, Group 1 had a mean score of 117 with a standard deviation of 14. Group 2 had a mean score of 96 with a standard deviation of 23. Therefore, _______ scored higher on average and their scores were _______ spread out than scores from _______.

Accepted Answer

A)  Group 1; more; Group 2 
B)  Group 1; less; Group 2 
C)  Group 2; more; Group 1 
D)  Group 2; less; Group 1 
A)  Group 1; more; Group 2 
B)  Group 1; less; Group 2 
C)  Group 2; more; Group 1 
D)  Group 2; less; Group 1

Question 4

Jim hears that longer hair is correlated with improved verbal skills, so he demands that his son grow his hair long. Why will this fail to improve his son's verbal skills?

Accepted Answer

Correlation does not prove cau

Question 5

All of the following statements are true of large data sets with negatively skewed distributions except:

Accepted Answer

A)  The mean is less than the mode. 
B)  The mean is less than the median. 
C)  The mode is less than the median. 
D)  The median is less than the mode. 
A)  The mean is less than the mode. 
B)  The mean is less than the median. 
C)  The mode is less than the median. 
D)  The median is less than the mode.

Question 6

A group of researchers is most likely to conduct a meta-analysis if an experiment has

Accepted Answer

A)  been widely replicated only under very similar conditions. 
B)  significant results that could not be replicated by other parties. 
C)  results that could be replicated only when certain conditions changed. 
D)  had widely replicated results and has undergone extensive variation. 
A)  been widely replicated only under very similar conditions. 
B)  significant results that could not be replicated by other parties. 
C)  results that could be replicated only when certain conditions changed. 
D)  had widely replicated results and has undergone extensive variation.

Question 7

A _______ is a set of consistent _______ that have undergone successful testing.

Accepted Answer

A)  hypothesis; strong inferences 
B)  theory; hypotheses 
C)  strong inference; theories 
D)  strong inference; hypotheses 
A)  hypothesis; strong inferences 
B)  theory; hypotheses 
C)  strong inference; theories 
D)  strong inference; hypotheses

Question 8

A study that looked at hiring of male and female musicians who sat behind a screen when auditioning for an orchestra is an example of _______ research and revealed _______.

Accepted Answer

A)  experimental; no change in hiring rates for women 
B)  experimental; an increase in hiring rates for women 
C)  descriptive; no change in hiring rates for women 
D)  descriptive; an increase in hiring rates for women 
A)  experimental; no change in hiring rates for women 
B)  experimental; an increase in hiring rates for women 
C)  descriptive; no change in hiring rates for women 
D)  descriptive; an increase in hiring rates for women

Question 9

A researcher wants to understand whether long-term romantic relationships reduce risk for heart disease. The researcher uses introductory psychology students as a sample because they are easy to recruit. Why is this a problem?

Accepted Answer

Introductory psychology studen

Question 10

To decide whether first-year students given study skills training have a better grade point average (GPA) at the end of the year than students without training, researchers will need to determine the _______ of GPA differences between the two groups.

Accepted Answer

A)  statistical significance 
B)  standard deviation 
C)  variance 
D)  frequency distribution 
A)  statistical significance 
B)  standard deviation 
C)  variance 
D)  frequency distribution

Question 11

A psychologist working at a university is interested in designing an experiment to explore the impact of stress on women's sleep cycles. She will use university students as subjects. In this situation, the students at her university represent a _______, which is part of the _______.

Accepted Answer

A)  representative sample; theoretical population 
B)  study population; theoretical population 
C)  random sample; study population 
D)  theoretical population; study population 
A)  representative sample; theoretical population 
B)  study population; theoretical population 
C)  random sample; study population 
D)  theoretical population; study population

Question 12

How is it possible for a treatment outcome study to find differences between a treatment and control group that are statistically significant but not clinically meaningful?

Accepted Answer

Statistical significance just

Question 13

When a researcher looks at her personality questionnaire data from 75 participants, she notices limited variance in scores, except for one score falling 4 standard deviations above the mean. This score is

Accepted Answer

A)  outside the sampling frame. 
B)  evidence of negative skew. 
C)  invalid. 
D)  an outlier. 
A)  outside the sampling frame. 
B)  evidence of negative skew. 
C)  invalid. 
D)  an outlier.

Question 14

What type of research would be most appropriate for determining whether watching cute cat videos on YouTube reduces symptoms of depression?

Accepted Answer

The answer of What type of research would be most...

Question 15

A recent study found that married people are less likely to have personality disorders than unmarried people. The news reporter covering the study advised people to get married to improve their personalities. You know this recommendation is not warranted because

Accepted Answer

A)  correlational research is invalid. 
B)  it is possible that personality disorders keep people from marrying. 
C)  these findings are unlikely to be replicated. 
D)  Occam's razor rules out a relationship between marriage and personality disorders. 
A)  correlational research is invalid. 
B)  it is possible that personality disorders keep people from marrying. 
C)  these findings are unlikely to be replicated. 
D)  Occam's razor rules out a relationship between marriage and personality disorders.

Question 16

Which of these correlations has the least predictive value?

Accepted Answer

A)  -0.75 
B)  -0.35 
C)  +0.10 
D)  +0.50 
A)  -0.75 
B)  -0.35 
C)  +0.10 
D)  +0.50

Question 17

Contemporary standards of informed consent require a psychologist using human subjects in an experiment to disclose the _______ before the experiment commences.

Accepted Answer

A)  differences between experimental and control groups 
B)  details of any risks the subjects will face 
C)  central hypothesis being tested 
D)  specific objectives of the experiment 
A)  differences between experimental and control groups 
B)  details of any risks the subjects will face 
C)  central hypothesis being tested 
D)  specific objectives of the experiment

Question 18

A researcher would be most likely to find a negative correlation between _______ and _______.

Accepted Answer

A)  shyness; party attendance 
B)  hopelessness; depression 
C)  conscientiousness; grade point average (GP
A)  
D)  occupational success; self-esteem 
A)  shyness; party attendance 
B)  hopelessness; depression 
C)  conscientiousness; grade point average (GP
A)  
D)  occupational success; self-esteem

Question 19

A correlation of +0.40 between levels of depression in teens and their parents would indicate that

Accepted Answer

A)  teen and parental depression are mostly unrelated. 
B)  teen depression causes parental depression. 
C)  parental depression causes teen depression. 
D)  depressed teens tend to have depressed parents. 
A)  teen and parental depression are mostly unrelated. 
B)  teen depression causes parental depression. 
C)  parental depression causes teen depression. 
D)  depressed teens tend to have depressed parents.

Question 20

In taste tests, people prefer Coke to Pepsi when they drink labeled samples but prefer Pepsi to Coke when they drink unlabeled samples. This is an example of

Accepted Answer

A)  explicit bias. 
B)  unconscious bias. 
C)  the placebo effect. 
D)  poor measurement validity. 
A)  explicit bias. 
B)  unconscious bias. 
C)  the placebo effect. 
D)  poor measurement validity.

Which of the following factors would most severely reduce the usefulness of a placebo in a controlled experiment?

The presence of adoring groupies at a small local club make a rock band confident they will become world famous. They should probably pay more attention to the importance of

On an empathy questionnaire, Group 1 had a mean score of 117 with a standard deviation of 14. Group 2 had a mean score of 96 with a standard deviation of 23. Therefore, ___ scored higher on average and their scores were _ spread out than scores from _____.

Jim hears that longer hair is correlated with improved verbal skills, so he demands that his son grow his hair long. Why will this fail to improve his son's verbal skills?

All of the following statements are true of large data sets with negatively skewed distributions except:

A group of researchers is most likely to conduct a meta-analysis if an experiment has

A _ is a set of consistent _ that have undergone successful testing.

A study that looked at hiring of male and female musicians who sat behind a screen when auditioning for an orchestra is an example of _ research and revealed _.

A researcher wants to understand whether long-term romantic relationships reduce risk for heart disease. The researcher uses introductory psychology students as a sample because they are easy to recruit. Why is this a problem?

To decide whether first-year students given study skills training have a better grade point average (GPA) at the end of the year than students without training, researchers will need to determine the _______ of GPA differences between the two groups.

A psychologist working at a university is interested in designing an experiment to explore the impact of stress on women's sleep cycles. She will use university students as subjects. In this situation, the students at her university represent a _, which is part of the _.

How is it possible for a treatment outcome study to find differences between a treatment and control group that are statistically significant but not clinically meaningful?

When a researcher looks at her personality questionnaire data from 75 participants, she notices limited variance in scores, except for one score falling 4 standard deviations above the mean. This score is

What type of research would be most appropriate for determining whether watching cute cat videos on YouTube reduces symptoms of depression?

A recent study found that married people are less likely to have personality disorders than unmarried people. The news reporter covering the study advised people to get married to improve their personalities. You know this recommendation is not warranted because

Which of these correlations has the least predictive value?

Contemporary standards of informed consent require a psychologist using human subjects in an experiment to disclose the _______ before the experiment commences.

A researcher would be most likely to find a negative correlation between _ and _.

A correlation of +0.40 between levels of depression in teens and their parents would indicate that

In taste tests, people prefer Coke to Pepsi when they drink labeled samples but prefer Pepsi to Coke when they drink unlabeled samples. This is an example of

Introduction: Principles of Psychology

The Neuroscience of Behavior

Genes, Environment, and Behavior

Developmental Psychology

Sensation and Perception

Consciousness

Learning

Memory

Language and Cognition

Intelligence

Motivation and the Regulation of Behavior

Emotions, Stress, and Health

Personality

Social Psychology

Clinical Psychology

Filters

Exam 2: Psychology As a Science

Which of the following factors would most severely reduce the usefulness of a placebo in a controlled experiment?

The presence of adoring groupies at a small local club make a rock band confident they will become world famous. They should probably pay more attention to the importance of

On an empathy questionnaire, Group 1 had a mean score of 117 with a standard deviation of 14. Group 2 had a mean score of 96 with a standard deviation of 23. Therefore, _______ scored higher on average and their scores were _______ spread out than scores from _______.

Jim hears that longer hair is correlated with improved verbal skills, so he demands that his son grow his hair long. Why will this fail to improve his son's verbal skills?

All of the following statements are true of large data sets with negatively skewed distributions except:

A group of researchers is most likely to conduct a meta-analysis if an experiment has

A _______ is a set of consistent _______ that have undergone successful testing.

A study that looked at hiring of male and female musicians who sat behind a screen when auditioning for an orchestra is an example of _______ research and revealed _______.

A researcher wants to understand whether long-term romantic relationships reduce risk for heart disease. The researcher uses introductory psychology students as a sample because they are easy to recruit. Why is this a problem?

To decide whether first-year students given study skills training have a better grade point average (GPA) at the end of the year than students without training, researchers will need to determine the _______ of GPA differences between the two groups.

A psychologist working at a university is interested in designing an experiment to explore the impact of stress on women's sleep cycles. She will use university students as subjects. In this situation, the students at her university represent a _______, which is part of the _______.

How is it possible for a treatment outcome study to find differences between a treatment and control group that are statistically significant but not clinically meaningful?

When a researcher looks at her personality questionnaire data from 75 participants, she notices limited variance in scores, except for one score falling 4 standard deviations above the mean. This score is

What type of research would be most appropriate for determining whether watching cute cat videos on YouTube reduces symptoms of depression?

A recent study found that married people are less likely to have personality disorders than unmarried people. The news reporter covering the study advised people to get married to improve their personalities. You know this recommendation is not warranted because

Which of these correlations has the least predictive value?

Contemporary standards of informed consent require a psychologist using human subjects in an experiment to disclose the _______ before the experiment commences.

A researcher would be most likely to find a negative correlation between _______ and _______.

A correlation of +0.40 between levels of depression in teens and their parents would indicate that

In taste tests, people prefer Coke to Pepsi when they drink labeled samples but prefer Pepsi to Coke when they drink unlabeled samples. This is an example of

Introduction: Principles of Psychology

The Neuroscience of Behavior

Genes, Environment, and Behavior

Developmental Psychology

Sensation and Perception

Consciousness

Learning

Memory

Language and Cognition

Intelligence

Motivation and the Regulation of Behavior

Emotions, Stress, and Health

Personality

Social Psychology

Clinical Psychology

Filters

On an empathy questionnaire, Group 1 had a mean score of 117 with a standard deviation of 14. Group 2 had a mean score of 96 with a standard deviation of 23. Therefore, ___ scored higher on average and their scores were _ spread out than scores from _____.

A _ is a set of consistent _ that have undergone successful testing.

A study that looked at hiring of male and female musicians who sat behind a screen when auditioning for an orchestra is an example of _ research and revealed _.

A psychologist working at a university is interested in designing an experiment to explore the impact of stress on women's sleep cycles. She will use university students as subjects. In this situation, the students at her university represent a _, which is part of the _.

A researcher would be most likely to find a negative correlation between _ and _.