Question 1

A scale with equal distances between the points, or values, but without a true zero is called a(n) ________ scale.

Accepted Answer

A)  interval 
B)  ordinal 
C)  nominal 
D)  ratio 
A)  interval 
B)  ordinal 
C)  nominal 
D)  ratio

Question 2

About ________ percent of scores fall between 3 standard deviations above and 3 standard deviations below the mean in a normal distribution.

Accepted Answer

A)  96 
B)  99 
C)  95 
D)  68 
A)  96 
B)  99 
C)  95 
D)  68

Question 3

A perfect negative correlation occurs when the dots on a scatter plot form a ________.

Accepted Answer

A)  circle or random pattern 
B)  straight line from lower left to upper right 
C)  cigar shape 
D)  straight line from upper left to lower right 
A)  circle or random pattern 
B)  straight line from lower left to upper right 
C)  cigar shape 
D)  straight line from upper left to lower right

Question 4

The mean of a set of numbers 100, 90, 80, 50, 30 is ________.

Accepted Answer

A)  100 
B)  80 
C)  50 
D)  70 
A)  100 
B)  80 
C)  50 
D)  70

Question 5

Correlation coefficients can range from ________.

Accepted Answer

A)  1% to 99% 
B)  -3.0 to +3.0 
C)  34% to 68% 
D)  +1.0 to -1.0 
A)  1% to 99% 
B)  -3.0 to +3.0 
C)  34% to 68% 
D)  +1.0 to -1.0

Question 6

The mean and the mode fall at the same point in ________ distributions.

Accepted Answer

A)  flat 
B)  skewed 
C)  bimodal 
D)  normal 
A)  flat 
B)  skewed 
C)  bimodal 
D)  normal

Question 7

The most frequently occurring score in a set of scores is called the ________.

Accepted Answer

A)  median 
B)  mode 
C)  range 
D)  mean 
A)  median 
B)  mode 
C)  range 
D)  mean

Question 8

A low correlation coefficient is indicated by correlations in the range ________.

Accepted Answer

A)  +1.0 to +2.0 
B)  +.80 to +1.00 
C)  +.40 to +.60 
D)  +.20 to +.40 
A)  +1.0 to +2.0 
B)  +.80 to +1.00 
C)  +.40 to +.60 
D)  +.20 to +.40

Question 9

A perfect positive correlation occurs when the dots on a scatter plot form a ________.

Accepted Answer

A)  circle or random pattern 
B)  cigar shape 
C)  straight line from lower left to upper right 
D)  straight line from upper left to lower right 
A)  circle or random pattern 
B)  cigar shape 
C)  straight line from lower left to upper right 
D)  straight line from upper left to lower right

Question 10

The scale that provides the least information is a(n) ________ scale.

Accepted Answer

A)  nominal 
B)  interval 
C)  ratio 
D)  ordinal 
A)  nominal 
B)  interval 
C)  ratio 
D)  ordinal

Question 11

The mode of the set of scores 6, 9 10, 11, 15, 15, is ________.

Accepted Answer

A)  9 
B)  11.2 
C)  10.5 
D)  15 
A)  9 
B)  11.2 
C)  10.5 
D)  15

Question 12

A thermometer uses a(n) ________ scale.

Accepted Answer

A)  nominal 
B)  ordinal 
C)  ratio 
D)  interval 
A)  nominal 
B)  ordinal 
C)  ratio 
D)  interval

Question 13

After collecting all the research on gender differences in aggressive behavior, Estephan finds that 125 of them showed that males are more aggressive, 25 showed that females are more aggressive, and 50 showed no gender differences in aggression. Based on these findings, he concludes that males are more aggressive than females. To reach his conclusions, he used what is called ________.

Accepted Answer

A)  the box score method 
B)  the hunt-and-pick method 
C)  the relevance technique 
D)  a meta-analysis 
A)  the box score method 
B)  the hunt-and-pick method 
C)  the relevance technique 
D)  a meta-analysis

Question 14

Which of the following questions would be most appropriate in a correlational study?

Accepted Answer

A)  Is party affiliation related to economic status? 
B)  Why did John change his party affiliation? 
C)  How often does John vote? 
D)  What percentage of homes have annual incomes above $15,000? 
A)  Is party affiliation related to economic status? 
B)  Why did John change his party affiliation? 
C)  How often does John vote? 
D)  What percentage of homes have annual incomes above $15,000?

Question 15

A scale that ranks preferences on a continuum from lowest to highest is a(n) ________ scale.

Accepted Answer

A)  ordinal 
B)  interval 
C)  nominal 
D)  ratio 
A)  ordinal 
B)  interval 
C)  nominal 
D)  ratio

Question 16

The probability that an experimenter's results are due to chance is called the ________.

Accepted Answer

A)  significance 
B)  variance 
C)  correlation coefficient 
D)  normal distribution 
A)  significance 
B)  variance 
C)  correlation coefficient 
D)  normal distribution

Question 17

About 95 percent of scores fall between ________ standard deviation(s) above and below the mean in a normal distribution.

Accepted Answer

A)  four 
B)  one 
C)  three 
D)  two 
A)  four 
B)  one 
C)  three 
D)  two

Question 18

Correlations ________ causality.

Accepted Answer

A)  estimate 
B)  do not indicate 
C)  if positive, indicate 
D)  predict 
A)  estimate 
B)  do not indicate 
C)  if positive, indicate 
D)  predict

Question 19

A high correlation coefficient is indicated by correlations in the range ________.

Accepted Answer

A)  +.10 to +.20 
B)  +.80 to +1.0 
C)  +2.0 to +3.0 
D)  +1.0 to +2.0 
A)  +.10 to +.20 
B)  +.80 to +1.0 
C)  +2.0 to +3.0 
D)  +1.0 to +2.0

Question 20

Which of the following could be a correlation coefficient?

Accepted Answer

A)  -.5 
B)  99% 
C)  27% 
D)  +1.5 
A)  -.5 
B)  99% 
C)  27% 
D)  +1.5

A scale with equal distances between the points, or values, but without a true zero is called a(n) ________ scale.

About ________ percent of scores fall between 3 standard deviations above and 3 standard deviations below the mean in a normal distribution.

A perfect negative correlation occurs when the dots on a scatter plot form a ________.

The mean of a set of numbers 100, 90, 80, 50, 30 is ________.

Correlation coefficients can range from ________.

The mean and the mode fall at the same point in ________ distributions.

The most frequently occurring score in a set of scores is called the ________.

A low correlation coefficient is indicated by correlations in the range ________.

A perfect positive correlation occurs when the dots on a scatter plot form a ________.

The scale that provides the least information is a(n) ________ scale.

The mode of the set of scores 6, 9 10, 11, 15, 15, is ________.

A thermometer uses a(n) ________ scale.

Which of the following questions would be most appropriate in a correlational study?

A scale that ranks preferences on a continuum from lowest to highest is a(n) ________ scale.

The probability that an experimenter's results are due to chance is called the ________.

About 95 percent of scores fall between ________ standard deviation(s) above and below the mean in a normal distribution.

Correlations ________ causality.

A high correlation coefficient is indicated by correlations in the range ________.

Which of the following could be a correlation coefficient?

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Exam 16: Measurement and Statistical Methods

A scale with equal distances between the points, or values, but without a true zero is called a(n) ________ scale.

About ________ percent of scores fall between 3 standard deviations above and 3 standard deviations below the mean in a normal distribution.

A perfect negative correlation occurs when the dots on a scatter plot form a ________.

The mean of a set of numbers 100, 90, 80, 50, 30 is ________.

Correlation coefficients can range from ________.

The mean and the mode fall at the same point in ________ distributions.

The most frequently occurring score in a set of scores is called the ________.

A low correlation coefficient is indicated by correlations in the range ________.

A perfect positive correlation occurs when the dots on a scatter plot form a ________.

The scale that provides the least information is a(n) ________ scale.

The mode of the set of scores 6, 9 10, 11, 15, 15, is ________.

A thermometer uses a(n) ________ scale.

Which of the following questions would be most appropriate in a correlational study?

A scale that ranks preferences on a continuum from lowest to highest is a(n) ________ scale.

The probability that an experimenter's results are due to chance is called the ________.

About 95 percent of scores fall between ________ standard deviation(s) above and below the mean in a normal distribution.

Correlations ________ causality.

A high correlation coefficient is indicated by correlations in the range ________.

Which of the following could be a correlation coefficient?

The Science of Psychology

The Biological Basis of Behavior

Sensation and Perception

States of Consciousness

Learning

Memory

Cognition and Mental Abilities

Motivation and Emotion

Life-Span Development

Personality

Stress and Health Psychology

Psychological Disorders

Psychological Disorders

Therapies

Social Psychology

Psychology Applied to Work

Filters