An interaction occurs when

Reference no: EM13796095

1. When we perform an experiment, we
a. measure independent variables,
b. produce dependent variables.
c. produce control variables.
d. produce a comparison.
e. hold independent variables constant.

2. The control group in an experiment
a. fixes the level of a variable across all experimental conditions.
b. is often untreated.
c. receives the same level of the independent variable as the experimental group.
d. refers to the manipulation of the independent variable.

3. In research on the decompression of pregnant rats, the independent variable is ______, a dependent variable is ________, and a control variable is _______________.
a. Reduced air pressure; behavioral tests; strain of the rat
b. Body weight; climbing ability; time of day
c. Atmospheric pressure; age of rat; climbing ability
d. Number of decompressions; body weight; home cage
e. Experimental group; control group; test performance

4. In experiments, independent variables are
a. the result of careful measurements.
b. extraneous to the experiment and held constant.
c. extraneous to the experiment and allowed to vary randomly.
d. independent of experimenter control.
e. varied by the researcher.

5. Dependent variables are
a. manipulated by the researcher.
b. potential independent variables that are held constant.
c. measured by the researcher.
d. probable behavioral causes.

6. One reason a valid experiment may produce null results is
a. the range of levels in the independent variable was insufficient to show an effect.
b. the dependent variable reflects a broad range of performance.
c. that the experiment is conducted in an environment that is too difficult.
d. that reactivity occurs in the participants (e.g., they adopt the role of "good behavior").

7. In experiments, the independent variable should be _________, the dependent variable should be __________, and the control variable should be ________.
a. controlled; constant; randomized
b. constant; an effect; causal
c. free; restricted; elevated
d. balanced; unconfounded; an effect
e. manipulated; measured; held constant

8. An interaction occurs when
a. an independent variable effects a dependent variable.
b. one independent variable effects a second independent variable.
c. the effect one dependent variable has is not the same at each level of a second dependent variable.
d. the effect one independent variable has is not the same at each level of a second independent variable.

9. Which of the following is an example of the Hawthorne effect?
a. Experimenter bias
b. Reactivity in an experiment
c. Participant observation
d. Unobtrusive outcomes

10. A variable that inadvertently causes an experimental result is
a. confounded with the dependent variable.
b. confounded with the independent variable.
c. confounded with the control variables.
d. unlikely to be important in experiments.

11. Construct validity permits one to do which of the following?
a. Generalize
b. Attribute causality
c. Have confidence in constructs
d. Support hypothesis

12. Which of the following is a source of construct invalidity?
a. Bias
b. Random error
c. Carry-over effects
d. Counterbalancing

13. If a study has external validity, one is entitled to
a. generalize.
b. attribute causality.
c. have confidence in constructs.
d. support hypotheses.

14. Internal validity allows one to do which of the following?
a. Generalize
b. Attribute causality
c. Have confidence in constructs
d. Support hypotheses

15. Which of the following is the most likely to have the greatest internal validity?
a. Surveys
b. Case studies
c. Relational research
d. Experiments

16. Test reliability determined by a correlation between scores from the same test taken at two different times is called
a. test-retest reliability.
b. parallel forms reliability.
c. split-half reliability.
d. predictive reliability.

17. Statistical reliability determines whether results
a. will occur five percent of the time.
b. occur because of chance.
c. are internally valid.
d. are produced by bias.

18. Which of the following is a major threat to internal validity?
a. Confounding
b. Deviant-case analysis
c. Truncated range
d. Dependent variables

19. A type of validity that is specifically concerned with being able to make causal statements about relationships between variables is _______________ validity.
a. External
b. Internal
c. Construct
d. Predictive

20. A replication of research helps to determine ______________ validity.
a. Construct
b. External
c. Internal
d. Predictive

Reference no: EM13796095

Questions Cloud

Music class assignment : Music class assignment

Budget reform and impoundment act : Under the Budget Reform and Impoundment Act, the President

Write a responce paper about book now we can begin : Write a responce paper about book "Now We Can Begin" by Eastman, Crystal. You may also discuss how the essay is successful with reservations.

Evaluate the effectiveness of leadership : Determine the impact of the company's mission, vision, and primary stakeholders on its overall success - Analyze the five forces of competition to determine how they impact the company.

An interaction occurs when : An interaction occurs when

What are the eight quality management principles : Describe how ISO 9000 has evolved in the past several years. What are the eight quality management principles the standards enhance

Principles of successful collaborative social initiatives : 1. For the past 28 years, ABC, Inc. has made a significant investment of time, money, and other resources to increase the literacy rate in adult Americans. This represents which of these principles of successful collaborative social initiatives?

Determine the impact on the appropriate stakeholders : Design an economic policy solution to the problem - Analyze the economic theory used to complete the policy solution and determine the impact on the appropriate stakeholders.

Integrated marketing communication plan : Select a current product with which you are familiar, and pitch a new Integrated Marketing Communication plan (IMC) to your client.

User Account

All Pages