Question 1

SELECT ALL THAT APPLY.
-Which of the following topics fall under empirical research?

Accepted Answer

A)  Relationship between income and education level
B)  Fuel consumption increases with speed of vehicle
C)  Female workers earn less than male workers
D)  Crime rate during inflationE) A) and B)
F) A) and C)

Question 2

SELECT ALL THAT APPLY.
-Which of the following are not dichotomous variables?

Accepted Answer

A)  Religion
B)  Gender
C)  Color
D)  EmploymentE) C) and D)
F) A) and C)

Question 3

Provide an example of a research question.Identify the hypothesis,independent,and dependent variables for this question.

Accepted Answer

Answers will vary but must be ...

Question 4

Which of the following factors is a dichotomous variable?

Accepted Answer

A)  Length
B)  Marital status
C)  Income
D)  SAT scoreE) A) and B)
F) A) and C)

Question 5

According to the following table,what is the variable of interest? Is this variable nominal,ordinal,or interval-ratio?

Accepted Answer

education;...

Question 6

Which of the following variables is an example of an interval-ratio level of measurement?

Accepted Answer

A)  Social class
B)  Gender
C)  Political party
D)  IncomeE) B) and C)
F) A) and B)

Question 7

Identify the independent variable,the dependent variable,and the unit of analysis in the following hypothesis: In the United States,fewer blacks than whites own their home as opposed to rent their home.

Accepted Answer

Independent variable...

Question 8

The first step in most research involves

Accepted Answer

A)  collecting data.
B)  selecting an interesting question.
C)  calculating statistics.
D)  choosing a theoretical framework.E) B) and C)
F) A) and B)

Question 9

Researchers use the term ______ to refer to information that is obtained and verified by direct experience.

Accepted Answer

A)  variable
B)  unit of analysis
C)  empirical research
D)  theoryE) A) and B)
F) All of the above

Question 10

SELECT ALL THAT APPLY.
-Which of the following statements are theories?

Accepted Answer

A)  For every action,there is an equal and opposite reaction.
B)  Unconscious and conscious mental activity motivates human behavior.
C)  Power is unequally divided and some groups dominate others.
D)  Is it bright outside because the sun is probably out?E) All of the above
F) B) and D)

Question 11

Identify the level of measurement for the following variables from 2010 General Social Survey data: sex,race,highest educational degree earned,hours worked per week,and age at first marriage.

Accepted Answer

Sex = nominal;Race = nominal;h...

Question 12

Nominal variables must include categories that are ______ and ______.

Accepted Answer

A)  dependent;independent
B)  common;empirically rational
C)  actual;theoretical
D)  exhaustive;mutually exclusiveE) None of the above
F) All of the above

Question 13

The extent to which measures indicate what they are intended to measure is referred to as

Accepted Answer

A)  reliability.
B)  statistical analysis.
C)  validity.
D)  standard error.E) A) and B)
F) None of the above

Question 14

A subset of cases selected from the total set of cases is referred to as the

Accepted Answer

A)  population.
B)  sample.
C)  entity.
D)  variable.E) A) and B)
F) None of the above

Question 15

SELECT ALL THAT APPLY.
-Which of the following are ways of collecting data?

Accepted Answer

A)  Surveys
B)  Interviews
C)  Experiments
D)  AssumptionsE) A) and D)
F) A) and C)

Question 16

SELECT ALL THAT APPLY.
-Which of the following are continuous variables?

Accepted Answer

A)  Time
B)  Length
C)  Number of employees
D)  IncomeE) B) and C)
F) A) and D)

Question 17

A(n) ______ is a tentative prediction about how empirical events or attributes will be related or patterned.

Accepted Answer

A)  theory
B)  estimate
C)  law
D)  hypothesisE) None of the above
F) All of the above

Question 18

The total set of cases,objects,groups,or events in which the researcher is interested is called the

Accepted Answer

A)  population.
B)  sample.
C)  entity.
D)  variable.E) B) and C)
F) A) and D)

Question 19

The term ______ variable refers to the variable that the researcher is trying to explain or predict.

Accepted Answer

A)  input
B)  independent
C)  dependent
D)  dichotomousE) B) and D)
F) C) and D)

Question 20

In the cause-and-effect relationship of variables,the cause has to precede the effect in time.

Accepted Answer

A) True 
 B)False

Exam 1: The What and the Why of Statistics

A(n) ______ is a tentative prediction about how empirical events or attributes will be related or patterned.

Correct AnswerverifiedShow Answer

SELECT ALL THAT APPLY. -Which of the following are not dichotomous variables?

Correct AnswerverifiedShow Answer

Provide an example of a research question.Identify the hypothesis,independent,and dependent variables for this question.

Correct AnswerverifiedAnswers will vary but must be ...View AnswerShow Answer

SELECT ALL THAT APPLY. -Which of the following are continuous variables?

Correct AnswerverifiedShow Answer

Identify the independent variable,the dependent variable,and the unit of analysis in the following hypothesis: In the United States,fewer blacks than whites own their home as opposed to rent their home.

Correct AnswerverifiedIndependent variable...View AnswerShow Answer

According to the following table,what is the variable of interest? Is this variable nominal,ordinal,or interval-ratio?

Correct Answerverifiededucation;...View AnswerShow Answer

Researchers use the term ______ to refer to information that is obtained and verified by direct experience.

Correct AnswerverifiedShow Answer

In the cause-and-effect relationship of variables,the cause has to precede the effect in time.

Correct AnswerverifiedShow Answer

Which of the following variables is an example of an interval-ratio level of measurement?

Correct AnswerverifiedShow Answer

The total set of cases,objects,groups,or events in which the researcher is interested is called the

Correct AnswerverifiedShow Answer

Nominal variables must include categories that are ______ and ______.

Correct AnswerverifiedShow Answer

The extent to which measures indicate what they are intended to measure is referred to as

Correct AnswerverifiedShow Answer

SELECT ALL THAT APPLY. -Which of the following are ways of collecting data?

Correct AnswerverifiedShow Answer

The term ______ variable refers to the variable that the researcher is trying to explain or predict.

Correct AnswerverifiedShow Answer

A subset of cases selected from the total set of cases is referred to as the

Correct AnswerverifiedShow Answer

SELECT ALL THAT APPLY. -Which of the following statements are theories?

Correct AnswerverifiedShow Answer

Identify the level of measurement for the following variables from 2010 General Social Survey data: sex,race,highest educational degree earned,hours worked per week,and age at first marriage.

Correct AnswerverifiedSex = nominal;Race = nominal;h...View AnswerShow Answer

SELECT ALL THAT APPLY. -Which of the following topics fall under empirical research?

Correct AnswerverifiedShow Answer

Which of the following factors is a dichotomous variable?

Correct AnswerverifiedShow Answer

The first step in most research involves

Correct AnswerverifiedShow Answer

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Answers will vary but must be ...
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Independent variable...
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education;...
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Nominal variables must include categories that are and .

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Sex = nominal;Race = nominal;h...
View Answer

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