Question 1

Which of the following terms is least likely to be used to describe qualitative data?

Accepted Answer

A)  nominal 
B)  descriptive 
C)  categorical 
D)  numeric

Question 2

The duration of attention (in seconds)is a ratio scale measurement.

Accepted Answer

A) True 
 B)False

Question 3

Most scientists have limited access to the behavioral phenomena they study.

Accepted Answer

A) True 
 B)False

Question 4

The use of tables and graphs to summarize data is an example of

Accepted Answer

A)  inferential statistics. 
B)  interpretation. 
C)  descriptive statistics. 
D)  generalization.

Question 5

Qualitative data are nonnumeric data.

Accepted Answer

A) True 
 B)False

Question 6

______ is the variable in an experiment that is manipulated between conditions being observed.

Accepted Answer

A)  Independent variable 
B)  Quasi-independent variable 
C)  Dependent variable

Question 7

Which of the following best describes a dependent variable?

Accepted Answer

A)  the sample variable 
B)  the measured behavior 
C)  the manipulated variable 
D)  the population variable

Question 8

Recording whom students study with describes ______ types of data,whereas recording the number of hours spent studying per week describes ______ types of data.

Accepted Answer

A)  qualitative; quantitative 
B)  continuous; discrete 
C)  quantitative; qualitative 
D)  discrete; continuous

Question 9

Qualitative data vary by ______; quantitative data vary by ______.

Accepted Answer

A)  level; value 
B)  value; level 
C)  amount; class 
D)  class; amount

Question 10

Inferential statistics is used to determine if observations made in a sample are likely to also be observed in the population from which the sample was selected.

Accepted Answer

A) True 
 B)False

Question 11

Researchers measure data in a ______ to learn more about individuals in the larger ______ of interest.

Accepted Answer

A)  sample; population 
B)  statistic; inference 
C)  population; sample 
D)  inference; statistic

Question 12

A professor measures the number of review sessions attended per week and GPA in a sample of college freshmen and concludes that increased attendance for review sessions is related to higher grades.This research design is an example of an experimental design.

Accepted Answer

A) True 
 B)False

Question 13

Descriptive statistics is a branch of mathematics used to make inferences about populations given samples of data.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following research designs is used to determine the causes of behavior that help to explain why the behavior occurs?

Accepted Answer

A)  correlational 
B)  experimental 
C)  quasi-experimental 
D)  all of these

Question 15

Based on the following graphical summary display,what research design was used to record and analyze these data?

Accepted Answer

A)  correlational 
B)  experimental 
C)  quasi-experimental 
D)  either experimental or quasi-experimental

Question 16

The number of students in a class is an example of discrete,quantitative data.

Accepted Answer

A) True 
 B)False

Question 17

In some cases,the number of participants in a sample can be greater than the number of persons in the population from which the same was selected.

Accepted Answer

A) True 
 B)False

Question 18

A social psychologist interested in the expression of love toward a significant other among American family members selects a few American family members for a study.In this example,the few American family members is the sample.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following best describes an independent variable?

Accepted Answer

A)  the sample variable 
B)  the measured behavior 
C)  the manipulated variable 
D)  the population variable

Question 20

Only an experiment can demonstrate cause-and-effect relationships between variables.

Accepted Answer

A) True 
 B)False

Exam 1: Introduction to Statistics

Which of the following terms is least likely to be used to describe qualitative data?

The duration of attention (in seconds)is a ratio scale measurement.

Most scientists have limited access to the behavioral phenomena they study.

The use of tables and graphs to summarize data is an example of

Qualitative data are nonnumeric data.

______ is the variable in an experiment that is manipulated between conditions being observed.

Which of the following best describes a dependent variable?

Recording whom students study with describes types of data,whereas recording the number of hours spent studying per week describes types of data.

Qualitative data vary by ; quantitative data vary by .

Inferential statistics is used to determine if observations made in a sample are likely to also be observed in the population from which the sample was selected.

Researchers measure data in a to learn more about individuals in the larger of interest.

A professor measures the number of review sessions attended per week and GPA in a sample of college freshmen and concludes that increased attendance for review sessions is related to higher grades.This research design is an example of an experimental design.

Descriptive statistics is a branch of mathematics used to make inferences about populations given samples of data.

Which of the following research designs is used to determine the causes of behavior that help to explain why the behavior occurs?

Based on the following graphical summary display,what research design was used to record and analyze these data?

The number of students in a class is an example of discrete,quantitative data.

In some cases,the number of participants in a sample can be greater than the number of persons in the population from which the same was selected.

A social psychologist interested in the expression of love toward a significant other among American family members selects a few American family members for a study.In this example,the few American family members is the sample.

Which of the following best describes an independent variable?

Only an experiment can demonstrate cause-and-effect relationships between variables.