Question 1

Which measure of central tendency represents the "middle score" in a group of scores?

Accepted Answer

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

Question 2

For the results of Dr.Mosley's experiment to be regarded as statistically significant,his results must have a chance probability of __________ or less.

Accepted Answer

A)  .5 
B)  .05 
C)  1.5 
D)  1.05 
A)  .5 
B)  .05 
C)  1.5 
D)  1.05

Question 3

On a graph,the horizontal line or the X axis is called the

Accepted Answer

A)  abscissa. 
B)  ordinate. 
C)  standard deviation. 
D)  central tendency. 
A)  abscissa. 
B)  ordinate. 
C)  standard deviation. 
D)  central tendency.

Question 4

Regarding samples,which of the following statements is FALSE?

Accepted Answer

A)  Samples are cross-sections of a population. 
B)  Samples are used to draw conclusions about larger groups. 
C)  Inferential statistics are often applied to samples. 
D)  Samples are often too difficult to obtain for research. 
A)  Samples are cross-sections of a population. 
B)  Samples are used to draw conclusions about larger groups. 
C)  Inferential statistics are often applied to samples. 
D)  Samples are often too difficult to obtain for research.

Question 5

There are ten students in the pre-kindergarten class.Each student is shown eight colors and asked to name them.The number of colors correctly named by each student was: 8,8,8,8,7,7,6,6,5,4.What would be the range?

Accepted Answer

A)  4.0 
B)  6.7 
C)  7.0 
D)  8.0 
A)  4.0 
B)  6.7 
C)  7.0 
D)  8.0

Question 6

Regarding tests of statistical significance,which of the following statements is FALSE?

Accepted Answer

A)  They provide estimates about experimental results. 
B)  They are usually expressed as probabilities. 
C)  They allow us to make conclusions about research within a reasonable degree of certainty. 
D)  They are an important aspect of descriptive statistics. 
A)  They provide estimates about experimental results. 
B)  They are usually expressed as probabilities. 
C)  They allow us to make conclusions about research within a reasonable degree of certainty. 
D)  They are an important aspect of descriptive statistics.

Question 7

Carla and her five girlfriends went shopping and spent $20,$12,$13,$8,$13,and $9,respectively,on cosmetics.The mode of their expenditures is

Accepted Answer

A)  $9. 
B)  $11. 
C)  $12. 
D)  $13. 
A)  $9. 
B)  $11. 
C)  $12. 
D)  $13.

Question 8

If there is no relationship between two variables,then which type of correlation exists?

Accepted Answer

A)  negative 
B)  null 
C)  zero 
D)  curvilinear 
A)  negative 
B)  null 
C)  zero 
D)  curvilinear

Question 9

To decide which college applicants have the best chances for success,most colleges have formulas that use

Accepted Answer

A)  multiple correlations. 
B)  correlation matrixes. 
C)  random assignment. 
D)  frequency distributions. 
A)  multiple correlations. 
B)  correlation matrixes. 
C)  random assignment. 
D)  frequency distributions.

Question 10

Abscissa is to ordinate as

Accepted Answer

A)  vertical axis is to horizontal axis. 
B)  horizontal axis is to vertical axis. 
C)  measure of central tendency is to frequency distribution. 
D)  frequency distribution is to measure of central tendency. 
A)  vertical axis is to horizontal axis. 
B)  horizontal axis is to vertical axis. 
C)  measure of central tendency is to frequency distribution. 
D)  frequency distribution is to measure of central tendency.

Question 11

Which of the following consists of techniques for presenting numbers pictorially,often by plotting them on a histogram or frequency polygon?

Accepted Answer

A)  graphical statistics 
B)  inferential statistics 
C)  figural statistics 
D)  nominal statistics 
A)  graphical statistics 
B)  inferential statistics 
C)  figural statistics 
D)  nominal statistics

Question 12

The more time students spend studying,the higher their grades are.This would be a

Accepted Answer

A)  zero correlation. 
B)  positive relationship. 
C)  variable relationship. 
D)  negative relationship. 
A)  zero correlation. 
B)  positive relationship. 
C)  variable relationship. 
D)  negative relationship.

Question 13

Of the 4,000 students at Meridian Community College,300 were surveyed regarding their views on the menu at the college cafeteria.All of the students at Meridian Community College would be the

Accepted Answer

A)  sample. 
B)  experimental group. 
C)  population. 
D)  control group. 
A)  sample. 
B)  experimental group. 
C)  population. 
D)  control group.

Question 14

Regarding statistics,which of the following statements is FALSE?

Accepted Answer

A)  Statistics help us draw valid conclusions about what we have observed. 
B)  Statistics bring greater clarity and precision to psychological thought and research. 
C)  There are two major types of statistics: frequency and graphical. 
D)  Psychologists use statistics because they often have to base decisions on a limited amount of data. 
A)  Statistics help us draw valid conclusions about what we have observed. 
B)  Statistics bring greater clarity and precision to psychological thought and research. 
C)  There are two major types of statistics: frequency and graphical. 
D)  Psychologists use statistics because they often have to base decisions on a limited amount of data.

Question 15

Inferential statistics are used to

Accepted Answer

A)  "boil down" numbers. 
B)  summarize numbers. 
C)  calculate measures of central tendency. 
D)  generalize from small samples. 
A)  "boil down" numbers. 
B)  summarize numbers. 
C)  calculate measures of central tendency. 
D)  generalize from small samples.

Question 16

Which of the following correlation coefficients indicates the weakest relationship?

Accepted Answer

A)  +.69 
B)  -.85 
C)  -1.27 
D)  +.35 
A)  +.69 
B)  -.85 
C)  -1.27 
D)  +.35

Question 17

When measure X gets smaller,measure Y also gets smaller in a

Accepted Answer

A)  zero correlation. 
B)  positive relationship. 
C)  variable relationship. 
D)  negative relationship. 
A)  zero correlation. 
B)  positive relationship. 
C)  variable relationship. 
D)  negative relationship.

Question 18

Each member of the population has an equal opportunity of being included in the sample when an experimenter uses

Accepted Answer

A)  standard deviation sampling. 
B)  a negative correlation. 
C)  a frequency distribution. 
D)  random selection. 
A)  standard deviation sampling. 
B)  a negative correlation. 
C)  a frequency distribution. 
D)  random selection.

Question 19

In psychology,any experimental result that could have occurred by chance only five times (or less)out of 100 is considered to be

Accepted Answer

A)  lucky. 
B)  random. 
C)  biased. 
D)  significant. 
A)  lucky. 
B)  random. 
C)  biased. 
D)  significant.

Question 20

The propensity for a majority of scores to fall in the midrange of possible values is referred to as

Accepted Answer

A)  central tendency. 
B)  inferential probability. 
C)  the causal correlational effect. 
D)  frequency distribution. 
A)  central tendency. 
B)  inferential probability. 
C)  the causal correlational effect. 
D)  frequency distribution.

Exam 19: Appendix A: Behavioral Statistics

Which measure of central tendency represents the "middle score" in a group of scores?

For the results of Dr.Mosley's experiment to be regarded as statistically significant,his results must have a chance probability of __________ or less.

On a graph,the horizontal line or the X axis is called the

Regarding samples,which of the following statements is FALSE?

There are ten students in the pre-kindergarten class.Each student is shown eight colors and asked to name them.The number of colors correctly named by each student was: 8,8,8,8,7,7,6,6,5,4.What would be the range?

Regarding tests of statistical significance,which of the following statements is FALSE?

Carla and her five girlfriends went shopping and spent $20,$12,$13,$8,$13,and $9,respectively,on cosmetics.The mode of their expenditures is

If there is no relationship between two variables,then which type of correlation exists?

To decide which college applicants have the best chances for success,most colleges have formulas that use

Abscissa is to ordinate as

Which of the following consists of techniques for presenting numbers pictorially,often by plotting them on a histogram or frequency polygon?

The more time students spend studying,the higher their grades are.This would be a

Of the 4,000 students at Meridian Community College,300 were surveyed regarding their views on the menu at the college cafeteria.All of the students at Meridian Community College would be the

Regarding statistics,which of the following statements is FALSE?

Inferential statistics are used to

Which of the following correlation coefficients indicates the weakest relationship?

When measure X gets smaller,measure Y also gets smaller in a

Each member of the population has an equal opportunity of being included in the sample when an experimenter uses

In psychology,any experimental result that could have occurred by chance only five times (or less)out of 100 is considered to be

The propensity for a majority of scores to fall in the midrange of possible values is referred to as

A: Introduction to Psychology and Research Methods

B: Introduction to Psychology and Research Methods

C: Introduction to Psychology and Research Methods

A: Brain and Behavior

C: Brain and Behavior

A: Human Development

B: Human Development

C: Human Development

D: Human Development

A: Sensation and Perception

B: Sensation and Perception

C: Sensation and Perception

D: Sensation and Perception

A: States of Consciousness

B: States of Consciousness

C: States of Consciousness

D: States of Consciousness

A: Conditioning and Learning

B: Conditioning and Learning

C: Conditioning and Learning

D: Conditioning and Learning

A: Memory

B: Memory

C: Memory

A: Cognition,language,and Creativity

B: Cognition,language,and Creativity

C: Cognition,language,and Creativity

A: Intelligence

B: Intelligence

C: Intelligence

A: Motivation and Emotion

B: Motivation and Emotion

C: Motivation and Emotion

D: Motivation and Emotion

A: Gender and Sexuality

B: Gender and Sexuality

C: Gender and Sexuality

D: Gender and Sexuality Completion

A: Personality

B: Personality

C: Personality

D: Personality

A: Health,stress,and Coping

B: Health,stress,and Coping

C: Health,stress,and Coping

A: Psychological Disorders

B: Psychological Disorders

C: Psychological Disorders

D: Psychological Disorders

A: Therapies

B: Therapies

C: Therapies

D: Therapies

A: Social Thinking and Social Influence

B: Social Thinking and Social Influence

C: Social Thinking and Social Influence

A: Prosocial and Antisocial Behavior

B: Prosocial and Antisocial Behavior

C: Prosocial and Antisocial Behavior