Question 1

The chief function of the control group in an experiment is that it

Accepted Answer

A)  allows mathematical relationships to be established.
B)  provides a point of reference against which the behavior of the experimental group can be compared.
C)  balances the experiment to eliminate all extraneous variables.
D)  establishes causation.

Question 2

A researcher wants to find out if taking a new antidepressant drug will decrease the symptoms of subjects suffering from social anxiety.The number of symptoms exhibited by the subjects would be the ______ variable.

Accepted Answer

A)  independent
B)  dependent
C)  extraneous
D)  control B

Question 3

The subjects in the experimental group receive the experimental drug,while the subjects in the control group receive a placebo.Although the experimenter knows which subjects are in the experimental group and which are in the control group,the subjects themselves do not know who is in which group or who received the real drug and who the placebo.This experimenter is using

Accepted Answer

A)  a double-blind study to control for researcher bias.
B)  a single-blind study to control for research participant bias.
C)  random selection to control the extraneous variables.
D)  random assignment to control the dependent variables.

Question 4

Suppose you want to find out if using cell phones while driving a car affects the likelihood of having an accident.Driving ability as defined by the scores achieved on a test of driving ability would be the ______ variable.

Accepted Answer

A)  independent
B)  control
C)  extraneous
D)  dependent

Question 5

A formal trial undertaken to confirm or disconfirm a hypothesis about cause and effect is called a(n) ______.

Accepted Answer

The answer of A formal trial undertaken to confirm or...

Question 6

Regarding the experimental method,which of the following statements is FALSE?

Accepted Answer

A)  The control group and the experimental group are treated exactly alike except for the condition you intentionally vary.
B)  The condition that the experimenter intentionally varies is called the dependent variable.
C)  The animals or people whose behavior is investigated are referred to as experimental subjects.
D)  Human subjects whose behavior is investigated are also called the participants. B

Question 7

An example of "researcher bias" would be a situation in which the experimenter

Accepted Answer

A)  acts out the proper behavior for the subjects.
B)  deceives the subjects as to the real purpose of the experiment.
C)  unknowingly hints to subjects what is expected of them.
D)  does all of these.

Question 8

In an experiment,if the obtained results would occur by chance in less than five experiments out of 100,the results

Accepted Answer

A)  were randomly assigned.
B)  cannot be replicated.
C)  were statistically significant.
D)  were part of a meta-analysis.

Question 9

We wish to test the hypothesis that music improves learning.Random assignment into two groups,one that listens to music and one that studies in silence,controls for

Accepted Answer

A)  the students' inherent academic ability.
B)  the students' use of different study strategies.
C)  the amount of sleep students had prior to the experiment.
D)  all of these.

Question 10

Experiments can determine cause-and-effect relationships with the suspected cause being the __________variable.

Accepted Answer

A)  mediating
B)  independent
C)  correlational
D)  dependent

Question 11

In an experiment to study the effects of study skills training on academic achievement,the motivation and intelligence of the students in the study would be considered dependent variables.

Accepted Answer

A) True 
 B)False

Question 12

Sometimes a researcher subtly communicates his or her expectations to the subjects,who in turn make the prediction occur.This subtle communication by the researcher of his or her expectations is known as the __________ bias.

Accepted Answer

The answer of Sometimes a researcher subtly communicates his or...

Question 13

A teacher wants to find out if a problem-based history program is superior to the regular history curriculum being used.The motivation and intelligence of the students participating in the new and the regular history programs would be considered the ______ variables.

Accepted Answer

A)  independent
B)  dependent
C)  extraneous
D)  control

Question 14

A researcher is testing the effectiveness of a new math program.The extraneous variables,such as temperature and lighting,will best be controlled by

Accepted Answer

A)  randomly assigning students to rooms of varying temperature and light intensity.
B)  randomly selecting the rooms in which the students will be taught.
C)  making the temperature and the amount of light the same for all the rooms.
D)  letting the students select the room temperature and lighting in which they are most comfortable.

Question 15

A simple experiment has two groups of subjects called the

Accepted Answer

A)  dependent group and the independent group.
B)  extraneous group and the independent group.
C)  before group and the after group.
D)  control group and the experimental group.

Question 16

You are conducting an experiment to determine if listening to music improves learning.If there was no difference between the test performance of the experimental and control groups,then we can conclude that

Accepted Answer

A)  extraneous variables were not controlled.
B)  the two groups were not randomly assigned.
C)  listening to music improved learning.
D)  listening to music had no effect on learning. D

Question 17

Regarding biases in research,which of the following statements is FALSE?

Accepted Answer

A)  Much of the popularity of herbal health remedies is based on the placebo effect.
B)  Single-blind experiments are used to control researcher bias.
C)  Double-blind experiments control for both researcher bias and research participant bias.
D)  Double-blind testing has shown that about 50 percent of the effectiveness of antidepressant drugs,such as Prozac,is due to the placebo effect.

Question 18

In an experiment,control over extraneous variables,such as the time of day or the temperature of the room,can be obtained by

Accepted Answer

A)  using a double-blind experiment.
B)  making all conditions except the independent variable exactly the same for all subjects.
C)  using repeated measures.
D)  observing and recording the impact of each variable on each subject in the experiment.

Question 19

Dr.Darius subtly and unknowingly communicated her expectations to her subjects,which resulted in her subjects behaving in ways that made her expectations come true,a phenomenon known as the

Accepted Answer

A)  Barnum effect.
B)  actor-observer effect.
C)  anthropomorphic error.
D)  self-fulfilling prophecy.

Question 20

The placebo effect is a form of

Accepted Answer

A)  anthropomorphic error.
B)  somatization variable.
C)  research participant bias.
D)  researcher bias.

Exam 5: Introducing Psychology: the Psychology Experiment

The chief function of the control group in an experiment is that it

Correct Answer
verified

A researcher wants to find out if taking a new antidepressant drug will decrease the symptoms of subjects suffering from social anxiety.The number of symptoms exhibited by the subjects would be the ______ variable.

Correct Answer
verified
B

Correct Answer
verified

Suppose you want to find out if using cell phones while driving a car affects the likelihood of having an accident.Driving ability as defined by the scores achieved on a test of driving ability would be the ______ variable.

Correct Answer
verified

A formal trial undertaken to confirm or disconfirm a hypothesis about cause and effect is called a(n) ______.

Correct Answer
verified

Regarding the experimental method,which of the following statements is FALSE?

Correct Answer
verified
B

An example of "researcher bias" would be a situation in which the experimenter

Correct Answer
verified

In an experiment,if the obtained results would occur by chance in less than five experiments out of 100,the results

Correct Answer
verified

We wish to test the hypothesis that music improves learning.Random assignment into two groups,one that listens to music and one that studies in silence,controls for

Correct Answer
verified

Experiments can determine cause-and-effect relationships with the suspected cause being the __________variable.

Correct Answer
verified

In an experiment to study the effects of study skills training on academic achievement,the motivation and intelligence of the students in the study would be considered dependent variables.

Correct Answer
verified

Sometimes a researcher subtly communicates his or her expectations to the subjects,who in turn make the prediction occur.This subtle communication by the researcher of his or her expectations is known as the __________ bias.

Correct Answer
verified

A teacher wants to find out if a problem-based history program is superior to the regular history curriculum being used.The motivation and intelligence of the students participating in the new and the regular history programs would be considered the ______ variables.

Correct Answer
verified

A researcher is testing the effectiveness of a new math program.The extraneous variables,such as temperature and lighting,will best be controlled by

Correct Answer
verified

A simple experiment has two groups of subjects called the

Correct Answer
verified

You are conducting an experiment to determine if listening to music improves learning.If there was no difference between the test performance of the experimental and control groups,then we can conclude that

Correct Answer
verified
D

Regarding biases in research,which of the following statements is FALSE?

Correct Answer
verified

In an experiment,control over extraneous variables,such as the time of day or the temperature of the room,can be obtained by

Correct Answer
verified

Dr.Darius subtly and unknowingly communicated her expectations to her subjects,which resulted in her subjects behaving in ways that made her expectations come true,a phenomenon known as the

Correct Answer
verified

The placebo effect is a form of

Correct Answer
verified

Exam 5: Introducing Psychology: the Psychology Experiment

The chief function of the control group in an experiment is that it

Correct AnswerverifiedShow Answer

A researcher wants to find out if taking a new antidepressant drug will decrease the symptoms of subjects suffering from social anxiety.The number of symptoms exhibited by the subjects would be the ______ variable.

Correct AnswerverifiedB

Correct AnswerverifiedShow Answer

Suppose you want to find out if using cell phones while driving a car affects the likelihood of having an accident.Driving ability as defined by the scores achieved on a test of driving ability would be the ______ variable.

Correct AnswerverifiedShow Answer

A formal trial undertaken to confirm or disconfirm a hypothesis about cause and effect is called a(n) ______.

Correct AnswerverifiedShow Answer

Regarding the experimental method,which of the following statements is FALSE?

Correct AnswerverifiedB

An example of "researcher bias" would be a situation in which the experimenter

Correct AnswerverifiedShow Answer

In an experiment,if the obtained results would occur by chance in less than five experiments out of 100,the results

Correct AnswerverifiedShow Answer

We wish to test the hypothesis that music improves learning.Random assignment into two groups,one that listens to music and one that studies in silence,controls for

Correct AnswerverifiedShow Answer

Experiments can determine cause-and-effect relationships with the suspected cause being the __________variable.

Correct AnswerverifiedShow Answer

In an experiment to study the effects of study skills training on academic achievement,the motivation and intelligence of the students in the study would be considered dependent variables.

Correct AnswerverifiedShow Answer

Sometimes a researcher subtly communicates his or her expectations to the subjects,who in turn make the prediction occur.This subtle communication by the researcher of his or her expectations is known as the __________ bias.

Correct AnswerverifiedShow Answer

A teacher wants to find out if a problem-based history program is superior to the regular history curriculum being used.The motivation and intelligence of the students participating in the new and the regular history programs would be considered the ______ variables.

Correct AnswerverifiedShow Answer

A researcher is testing the effectiveness of a new math program.The extraneous variables,such as temperature and lighting,will best be controlled by

Correct AnswerverifiedShow Answer

A simple experiment has two groups of subjects called the

Correct AnswerverifiedShow Answer

You are conducting an experiment to determine if listening to music improves learning.If there was no difference between the test performance of the experimental and control groups,then we can conclude that

Correct AnswerverifiedD

Regarding biases in research,which of the following statements is FALSE?

Correct AnswerverifiedShow Answer

In an experiment,control over extraneous variables,such as the time of day or the temperature of the room,can be obtained by

Correct AnswerverifiedShow Answer

Dr.Darius subtly and unknowingly communicated her expectations to her subjects,which resulted in her subjects behaving in ways that made her expectations come true,a phenomenon known as the

Correct AnswerverifiedShow Answer

The placebo effect is a form of

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified
B

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
B

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
D

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified