Lesson 8

Question 1

These are extraneous variables that have to do with the physical space or situation of the experiment.

Answer 1

Physical Variable

Question 2

Completely removes extraneous physical variables from the experimental situation

Answer 2

Elimination

Question 3

T/F
Removal of extraneous physical variables prevents them from operating differently across different treatment conditions.

Answer 3

True

Question 4

Controls extraneous physical variables by keeping all aspects of the treatment conditions identical, except for the independent variable.

Answer 4

Constancy Condition

Question 5

T/F
Constancy of conditions makes sure that the conditions of which the experiment is conducted will change each time

Answer 5

False. the conditions should remain the same everytime

Question 6

T/F
Example of balancing is by dividing the two subject groups to make sure that both groups are exposed to the same conditions

Answer 6

True

Question 7

These are aspects of the relationships between subjects and experimenters that can influence experimental
results.

Answer 7

Social Variable

Question 8

T/F
Demand characteristic can affect the way that the participants respond during the experiment

Answer 8

True

Question 9

In a _____________, subjects are not told their treatment condition.

Answer 9

Single-Blind Experiment

Question 10

T/F
When subjects are not told their treatment condition, this eliminates cues that might alter their behavior.

Answer 10

True

Question 11

It is when a subject receives an inert
treatment and improves because of positive expectancies.

Answer 11

Placebo effect

Question 12

It is is a false plausible explanation of the experimental procedures to disguise the research hypothesis from the subjects.

Answer 12

Cover Story

Question 13

T/F
Cover story can be used anytime to control the experiment

Answer 13

False. it should be used sparingly

Question 14

T/F
Experimenter bias is any behavior by the experimenter that can confound the experiment.

Answer 14

True

Question 15

A phenomenon where the expectations to the subjects affect their performance

Answer 15

Rosenthal effect/self fulfilling prophecy

Question 16

Control both demand characteristics and experimenter bias, since both the experimenter and subjects are blinded.

Answer 16

double-blind experiment

Question 17

T/F
Under Personality Variables, Volunteers are more sociable, score higher in social desirability, hold more liberal social and political attitudes, are less authoritarian, and score higher on intelligence tests than non-volunteers.

Answer 17

True