Question 1

Match the type of variable with its definition.
-A variable that will measure outcomes:

Accepted Answer

A)  High school students 
B)  Amount of smoking 
C)  Grade in school 
D)  Attribute independent variable(s) 
E)  Extraneous variable
F) Type of class
G) Dependent variable
H) Active independent variable(s)
I) Female students
J) Location of the school

Question 2

Describe the similarities and differences among descriptive, difference, and associational research questions.

Accepted Answer

The answer of Describe the similarities and differences among descriptive,...

Question 3

A researcher is interested in the effects of hair color on kindergarten adjustment among five-yearolds. The researcher limits the study to blondes, brunettes, redheads, and "other." The researchermeasures adjustment using an "Inappropriate Classroom Behavior" standardized assessment toolthat the teacher completes about each student.
-The dependent variable is kindergarten adjustment.

Accepted Answer

A) True 
 B)False

Question 4

There is a correlation between ACT and first year college GPA is an example of a difference question.

Accepted Answer

A) True 
 B)False

Question 5

Is there a difference between ACT and political affiliation? This is an example of an associational question.

Accepted Answer

A) True 
 B)False

Question 6

Gender is a variable that must be operationally defined.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following is INCORRECT regarding a hypothesis?

Accepted Answer

A)  Theories are more specific than hypotheses 
B)  A research hypothesis is usually stated more specifically than a research problem 
C)  It is a predictive statement about the relationship between variables 
D)  A hypothesis can focus on differences or associations.

Question 8

What type of independent variable must you have in order to infer causation?

Accepted Answer

The answer of What type of independent variable must you...

Question 9

A researcher wants to know if an experimental "Smoke Out" class for girls compared to aregular girls' health class at another school will significantly decrease smoking in highschool students. She also wants to know whether student grade level (9-12) makes adifference. Match accordingly. (You may use each letter choice more than once.)
-Dependent variable:

Accepted Answer

A)  High school students 
B)  Amount of smoking 
C)  Grade in school 
D)  Attribute independent variable(s) 
E)  Extraneous variable
F) Type of class
G) Dependent variable
H) Active independent variable(s)
I) Female students
J) Location of the school

Question 10

What is the difference between attribute and active independent variables?

Accepted Answer

The answer of What is the difference between attribute and...

Question 11

A researcher wants to know if an experimental "Smoke Out" class for girls compared to aregular girls' health class at another school will significantly decrease smoking in highschool students. She also wants to know whether student grade level (9-12) makes adifference. Match accordingly. (You may use each letter choice more than once.)
-A constant:

Accepted Answer

A)  High school students 
B)  Amount of smoking 
C)  Grade in school 
D)  Attribute independent variable(s) 
E)  Extraneous variable
F) Type of class
G) Dependent variable
H) Active independent variable(s)
I) Female students
J) Location of the school

Question 12

A researcher wants to know if an experimental "Smoke Out" class for girls compared to aregular girls' health class at another school will significantly decrease smoking in highschool students. She also wants to know whether student grade level (9-12) makes adifference. Match accordingly. (You may use each letter choice more than once.)
-Extraneous variable:

Accepted Answer

A)  High school students 
B)  Amount of smoking 
C)  Grade in school 
D)  Attribute independent variable(s) 
E)  Extraneous variable
F) Type of class
G) Dependent variable
H) Active independent variable(s)
I) Female students
J) Location of the school

Exam 3: Variables, Research Questions, and Hypotheses

Match the type of variable with its definition. -A variable that will measure outcomes:

Describe the similarities and differences among descriptive, difference, and associational research questions.

There is a correlation between ACT and first year college GPA is an example of a difference question.

Is there a difference between ACT and political affiliation? This is an example of an associational question.

Gender is a variable that must be operationally defined.

Which of the following is INCORRECT regarding a hypothesis?

What type of independent variable must you have in order to infer causation?

What is the difference between attribute and active independent variables?