Homework answers / question archive / Nova Southeastern University PSYC 3000 Chapter 8 Psychological Research Methods Practice Quiz 1)By using the experimental method, extraneous variables are kept constant either though       or through         

Nova Southeastern University PSYC 3000 Chapter 8 Psychological Research Methods Practice Quiz 1)By using the experimental method, extraneous variables are kept constant either though       or through         

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Nova Southeastern University

PSYC 3000

Chapter 8 Psychological Research Methods Practice Quiz

1)By using the experimental method, extraneous variables are kept constant either though       or through          .

A)           confounding randomization; blind experimenters

B)            Experimental control; randomization

C)            random sampling; random assignment

D)           the independent variable; the dependent variable

2 A variable that varies along with the independent variable is called a    .

A)           miscellaneous variable

B)            secondary variable

C)            Confoundding variable

D)           psuedoindependent variable

3 When the results of an experiment can confidently be attributed to the effect of the independent variable, the experiment is said to have           .

A)           external validity

B)            control validity

C)            experiment validity

D)           internal validity

4 Which of the following are two forms of the basic, simple experimental design?

A)pretest-only design; posttest-one group design B)posttest-only; pretest-two group design C)pretest-posttest design; single case design

D)posttest-only; pretest-posttest design

5              is used to achieve equivalence between the groups of participants.

A)Random assignment

B)Random selection

C)Probability sampling

D)Simple random sampling

 

6 Whenever there is a possibility of mortality, it is best to use a                 

design.

A)           pretest only

B)            posttest only

C)            pretest-posttest

D)           D)longitudinal

 

7 Which of the following is a disadvantage to using pretests?

A)           It may be time consuming and awkward to administer in the context of the experimental procedures being used.

 

B)            It can sensitize participants to what is being studied and enable them to figure out the hypothesis.

C)            Participants may react to the manipulation differently than those that did not experience the pretest.

D)           All of the above.

 

8 A Solomon four-group design is

A a combination of both the posttest only and pretest-posttest designs.

 

B used when there are four independent variables.

 

C)            used to assess the impact of selection bias.

D)           a combination of random assignment and random selection.

 

9 Random assignment means that that decision to assign an individual to a particular condition is completely       and                the researcher.

A)           systematic; controlled

B)            random; beyond the control of

C)            systematic; randomly controlled

D)           random; systematically in the control of

10 There are       ways of assigning participants to experimental conditions.

A)           one

B)            two

C)            three

D)four

 

11 In an experiment examining the impact of noise on memory, participants were asked to recall a list of words in a noisy room and then were asked to recall a list of words in a quiet room. This is an example of a(an)        design.

A)           independent groups

B)            Solomon four-group

C)            repeated measures

D)           counterbalanced square

 

12 A repeated measures design is            likely to detect an effect of the independent variable on the dependent variable than an independent groups design.

A)more

B)less

C)equally

D)just as

 

13 Which of the following is a type of order effect?

A)           practice effect

 

B)            fatigue effect

C)            contrast effect

D)           All of the above.

 

14 If there are 4 conditions in a repeated measures design, then the number of conditions in a Latin square is    .

A)           1

B)            4

C)            8 D)16