Question 1

If you take a test and score at the 70th percentile,you have

Accepted Answer

A)  answered 70 percent of the questions correctly. 
B)  scored lower than 70 percent of the people taking the test. 
C)  scored higher than 70 percent of the people taking the test. 
D)  scored higher than 30 percent of the people taking the test. 
A)  answered 70 percent of the questions correctly. 
B)  scored lower than 70 percent of the people taking the test. 
C)  scored higher than 70 percent of the people taking the test. 
D)  scored higher than 30 percent of the people taking the test.

Question 2

Scores on standardized intelligence tests are normally distributed with a mean of 100 and a standard deviation of 15.This means that

Accepted Answer

A)  50% of the population scores between 70 and 100 on standardized intelligence tests. 
B)  only 5% of the population scores higher than 130 or lower than 70 on standardized intelligence tests. 
C)  only 5% of the population scores higher than 115 or lower than 85 on standardized intelligence tests. 
D)  95% of the population scores between 100 and 130 on standardized intelligence tests. 
A)  50% of the population scores between 70 and 100 on standardized intelligence tests. 
B)  only 5% of the population scores higher than 130 or lower than 70 on standardized intelligence tests. 
C)  only 5% of the population scores higher than 115 or lower than 85 on standardized intelligence tests. 
D)  95% of the population scores between 100 and 130 on standardized intelligence tests.

Question 3

The pattern in which many human characteristics are dispersed in the population that is represented by a symmetrical or bell-shaped curve is referred to as the

Accepted Answer

A)  significant distribution. 
B)  common distribution. 
C)  normal distribution. 
D)  skewed distribution. 
A)  significant distribution. 
B)  common distribution. 
C)  normal distribution. 
D)  skewed distribution.

Question 4

A table that uses an organized arrangement to indicate how frequently each score or group of scores occurs in a set of data is a

Accepted Answer

A)  frequency polygon. 
B)  histogram. 
C)  frequency distribution. 
D)  frequency table. 
A)  frequency polygon. 
B)  histogram. 
C)  frequency distribution. 
D)  frequency table.

Question 5

When scores from a personality scale designed to measure agreeableness are plotted,the scores follow a normal distribution.This means that

Accepted Answer

A)  the scores are evenly distributed across the entire range of possible scores. 
B)  people who score high in agreeableness tend to score high in other personality traits. 
C)  people who score high in agreeableness tend to score low in other personality traits. 
D)  most people score near the middle of the scale, and there are fewer people who score extremely high or extremely low in agreeableness. 
A)  the scores are evenly distributed across the entire range of possible scores. 
B)  people who score high in agreeableness tend to score high in other personality traits. 
C)  people who score high in agreeableness tend to score low in other personality traits. 
D)  most people score near the middle of the scale, and there are fewer people who score extremely high or extremely low in agreeableness.

Question 6

Astin believes that people will be more persuaded by an argument if the person presenting the argument is tall,rather than if the presenter is short.Astin wants to test her belief in an experiment.In this instance,Astin should state her null hypothesis as

Accepted Answer

A)  a presenter's height will have no impact on persuasion. 
B)  a short presenter will be more persuasive than a tall presenter. 
C)  a tall presenter will be less persuasive than a short presenter. 
D)  a tall presenter will be more persuasive than a short presenter. 
A)  a presenter's height will have no impact on persuasion. 
B)  a short presenter will be more persuasive than a tall presenter. 
C)  a tall presenter will be less persuasive than a short presenter. 
D)  a tall presenter will be more persuasive than a short presenter.

Question 7

Aster knows that the distribution of incomes for university students has a strong positive skew.In this case the best index of central tendency for Aster to use would be the

Accepted Answer

A)  median. 
B)  mode. 
C)  mean. 
D)  standard deviation. 
A)  median. 
B)  mode. 
C)  mean. 
D)  standard deviation.

Question 8

Techniques to graphically represent the frequency of scores in a set of data include

Accepted Answer

A)  histograms and frequency polygons. 
B)  frequency distributions and frequency polygons. 
C)  frequency distributions and scatter diagrams. 
D)  histograms and scatter diagrams. 
A)  histograms and frequency polygons. 
B)  frequency distributions and frequency polygons. 
C)  frequency distributions and scatter diagrams. 
D)  histograms and scatter diagrams.

Question 9

It is safest to say that conclusion based on empirical data

Accepted Answer

A)  cannot be trusted. 
B)  can be taken as truths. 
C)  are matters of fact. 
D)  are a matter of probability. 
A)  cannot be trusted. 
B)  can be taken as truths. 
C)  are matters of fact. 
D)  are a matter of probability.

Question 10

Multiplying a correlation coefficient by itself will give you the

Accepted Answer

A)  standard deviation. 
B)  coefficient of determination. 
C)  percentile rank. 
D)  cross-product of the sum of squares. 
A)  standard deviation. 
B)  coefficient of determination. 
C)  percentile rank. 
D)  cross-product of the sum of squares.

If you take a test and score at the 70th percentile,you have

Scores on standardized intelligence tests are normally distributed with a mean of 100 and a standard deviation of 15.This means that

The pattern in which many human characteristics are dispersed in the population that is represented by a symmetrical or bell-shaped curve is referred to as the

A table that uses an organized arrangement to indicate how frequently each score or group of scores occurs in a set of data is a

When scores from a personality scale designed to measure agreeableness are plotted,the scores follow a normal distribution.This means that

Astin believes that people will be more persuaded by an argument if the person presenting the argument is tall,rather than if the presenter is short.Astin wants to test her belief in an experiment.In this instance,Astin should state her null hypothesis as

Aster knows that the distribution of incomes for university students has a strong positive skew.In this case the best index of central tendency for Aster to use would be the

Techniques to graphically represent the frequency of scores in a set of data include

It is safest to say that conclusion based on empirical data

Multiplying a correlation coefficient by itself will give you the

The Evolution of Psychology

The Research Enterprise in Psychology

The Biological Bases of Behavior

Sensation and Perception

Variations in Consciousness

Learning

Human Memory

Language and Thought

Intelligence and Psychological Testing

Motivation and Emotion

Human Development Across the Life Span

Personality

Social Behavior

Stress,Coping,and Health

Psychological Disorders

Treatment of Psychological Disorders

Industrial organizational Psychology

Psychology and Environmental Sustainability: Conservation Psychology

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Exam 17: Statistical Methods

If you take a test and score at the 70th percentile,you have

Scores on standardized intelligence tests are normally distributed with a mean of 100 and a standard deviation of 15.This means that

The pattern in which many human characteristics are dispersed in the population that is represented by a symmetrical or bell-shaped curve is referred to as the

A table that uses an organized arrangement to indicate how frequently each score or group of scores occurs in a set of data is a

When scores from a personality scale designed to measure agreeableness are plotted,the scores follow a normal distribution.This means that

Astin believes that people will be more persuaded by an argument if the person presenting the argument is tall,rather than if the presenter is short.Astin wants to test her belief in an experiment.In this instance,Astin should state her null hypothesis as

Aster knows that the distribution of incomes for university students has a strong positive skew.In this case the best index of central tendency for Aster to use would be the

Techniques to graphically represent the frequency of scores in a set of data include

It is safest to say that conclusion based on empirical data

Multiplying a correlation coefficient by itself will give you the

The Evolution of Psychology

The Research Enterprise in Psychology

The Biological Bases of Behavior

Sensation and Perception

Variations in Consciousness

Learning

Human Memory

Language and Thought

Intelligence and Psychological Testing

Motivation and Emotion

Human Development Across the Life Span

Personality

Social Behavior

Stress,Coping,and Health

Psychological Disorders

Treatment of Psychological Disorders

Industrial organizational Psychology

Psychology and Environmental Sustainability: Conservation Psychology

Filters