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Multiple Choice
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1

Any event, situation or behavior that varies is called a __________.
A)observation
B)cause
C)category
D)variable
2

Which of the following is NOT a variable?
A)number of inches in a foot
B)hair color
C)age
D)grade point average
3

The number of students in a class is an example of a __________ variable.
A)situational
B)response
C)participant or subject
D)mediating
4

The time it took participants to complete the computer task is an example of a __________ variable.
A)situational
B)response
C)participant or subject
D)mediating
5

The marital status of the participants is an example of a __________ variable.
A)situational
B)response
C)participant or subject
D)mediating
6

Psychological processes that explain the effects of a situational variable on a particular response are called __________ variables.
A)situational
B)response
C)participant or subject
D)mediating
7

Dr. M measured student's performance on a verbal task by recording the number of words correctly identified during a 5-minute session. The number of words correctly identified during the 5-minute session is called a(n) __________.
A)task definition
B)response definition
C)operational definition
D)concrete definition
8

Researchers found that as the temperature in a city increased there was also an increase in the number of crimes reported. This is an example of a ___________ relationship.
A)positive linear
B)negative linear
C)curvilinear
D)amplified linear
9

There is a __________ relationship between the number of classes students miss and final exam scores. As the number of days absent increase, the scores on the final exam decrease.
A)positive linear
B)negative linear
C)curvilinear
D)amplified linear
10

When researchers study the relationship among variables using the __________, behavior is observed as it occurs naturally.
A)nonexperimental method
B)correlational method
C)experimental method
D)both a and b
11

In the nonexperimental method, the third-variable problem refers to _________.
A)experimenter intervention
B)an extra operational definition
C)confounding variables
D)the need to add another variable in the study.
12

The experimental method eliminates the influence of __________ variables by using the random assignment procedure.
A)extraneous situational
B)extraneous subject
C)extraneous mediating
D)extraneous response
13

In an experimental study, the variable that is considered to be the "cause" is the __________.
A)extraneous
B)independent
C)dependent
D)subject or participant
14

In lab experiments, the major advantage is __________ and the major disadvantage is ___________.
A)control over extraneous variables; artificial atmosphere
B)operationalization of variables; unnatural atmosphere
C)manipulated independent variables; cost of the study
D)the value of the findings; space limitations
15

___________ refers to inferences that one variable caused changes in the other variable.
A)External validity
B)Construct validity
C)Internal validity
D)both b and c.





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