Research in psychology exam 5

[removed]

A. the causal hypothesis can be accepted.

[removed]

B. the causal hypothesis cannot be rejected.

[removed]

C. extraneous variables may have affected the study.

[removed]

D. extraneous variables do not affect the hypothesis.

Question 28 of 40

2.5 Points

If we wish to apply results of a study to a wider population, the type of validity that we would be concerned about would be __________ validity.

[removed] A. statistical
[removed] B. internal
[removed] C. external
[removed] D. construct

Question 29 of 40

2.5 Points

In a double-blind control procedure:

[removed] A. the participants and researcher are blind to assignment of participants.
[removed] B. the laboratory is not illuminated.
[removed] C. the researcher and the research assistant(s) are blind to assignment to the experimental group.
[removed] D. no one knows which participants are assigned to the experimental group.

Question 30 of 40

2.5 Points

Which confounding variable can ONLY occur in within-subjects studies?

[removed] A. Regression to the mean
[removed] B. Diffusion of treatment
[removed] C. Sequence effects
[removed] D. Testing

Question 31 of 40

2.5 Points

In order to generalize across different times, places, or conditions, a researcher must:

[removed] A. sample across those times, places, or conditions.
[removed] B. use a random sample of participants.
[removed] C. use a large enough sample size.
[removed] D. use powerful statistics.

Question 32 of 40

2.5 Points

When research participants give information to prospective participants about the procedures, the research could be affected by the confounding variable of:

[removed] A. the bystander effect.
[removed] B. diffusion of responsibility.
[removed] C. diffusion of treatment.
[removed] D. regression to the mean.

Question 33 of 40

2.5 Points

Since the data on gender differences in mathematical ability tend to support both a nature and a nurture hypothesis, the __________ validity of any one interpretation is in doubt.

[removed] A. internal
[removed] B. construct
[removed] C. statistical
[removed] D. external

Question 34 of 40

2.5 Points

Experimenter effects do NOT result from the experimenter’s knowledge of the:

[removed] A. hypothesis being tested.
[removed] B. assignment of individual participants to conditions of the experiment.
[removed] C. nature of the experiment and control conditions.
[removed] D. specific details of the independent variable.

Question 35 of 40

2.5 Points

After the statement of the problem has been clearly defined and the major variables identified, the next step in developing a research hypothesis is to:

[removed] A. test the problem statement on research participants.
[removed] B. operationally define the variables.
[removed] C. analyze the data.
[removed] D. interpret the results.

Question 36 of 40

2.5 Points

In research on the effects of noise on sleep, a researcher wonders whether disrupted sleep may be due to drinking coffee rather than to living near an airport. What type of hypothesis is this?

[removed] A. A confounding variable hypothesis
[removed] B. A null hypothesis
[removed] C. A research hypothesis
[removed] D. A moot hypothesis

Question 37 of 40

2.5 Points

Doyen & colleagues (2012) found that __________ effects were the reason that participants changed their walking speed.

[removed] A. experimenter
[removed] B. subject
[removed] C. both subject and experimenter
[removed] D. neither subject nor experimenter

Question 38 of 40

2.5 Points

Which of the following is NOT characteristic of a good research hypothesis?

[removed] A. It is a declarative statement.
[removed] B. It identifies at least two variables.
[removed] C. It states a predicted relationship.
[removed] D. It is in the form of a question.

Question 39 of 40

2.5 Points

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