Question 1

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.

Question 2

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?

Question 3

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.

Question 4

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) hypothesis

Question 5

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

Accepted Answer

The answer of Provide an example of a research question.Identify...

Question 6

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

Accepted Answer

A) Religion 
B) Gender 
C) Color 
D) Employment

Question 7

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

The answer of Identify the level of measurement for the...

Question 8

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

The answer of Identify the independent variable,the dependent variable,and the...

Question 9

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) dichotomous

Question 10

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

Accepted Answer

A) Time 
B) Length 
C) Number of employees 
D) Income

Question 11

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

Accepted Answer

A) Surveys 
B) Interviews 
C) Experiments 
D) Assumptions

Question 12

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) theory

Question 13

Which of the following factors is a dichotomous variable?

Accepted Answer

A) Length 
B) Marital status 
C) Income 
D) SAT score

Question 14

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.

Question 15

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

Accepted Answer

A) True 
 B)False

Question 16

Nominal variables must include categories that are ______ and ______.

Accepted Answer

A) dependent;independent 
B) common;empirically rational 
C) actual;theoretical 
D) exhaustive;mutually exclusive

Question 17

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 inflation

Question 18

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

Accepted Answer

The answer of According to the following table,what is the...

Question 19

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.

Question 20

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) Income

Exam 1: The What and the Why of Statistics

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

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

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

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

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

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