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| 1 | |
Sara is designing an experiment to evaluate the effect of a taste test on the purchase of a soft drink. Purchase is the _____ variable. |
| | A) | dependent |
| | B) | extraneous |
| | C) | moderating |
| | D) | independent |
| | E) | mediating |
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| 2 | |
Jason wants to determine whether an increase in salary will cause an increase in the employee's productivity. He should use a(n) _____. |
| | A) | focus group |
| | B) | individual depth interview |
| | C) | experiment |
| | D) | survey |
| | E) | behavioral observation |
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| 3 | |
William is designing an experiment to determine whether when people know exactly what personal information is being shared with other companies, whether they will post video on YouTube. He decides to use a control group to _____. |
| | A) | provide for the manipulation of the IV |
| | B) | serve as a comparison to assess the manipulation |
| | C) | minimize the cost of experimentation |
| | D) | allow for discovery of the average effect of the IV in different situations |
| | E) | increase generalizability of results |
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| 4 | |
After selecting the relevant variables, the next step in conducting an experiment is to _____. |
| | A) | specify the level(s) of the treatment |
| | B) | choose the experimental design |
| | C) | control the experimental environment |
| | D) | select and assign participants |
| | E) | conduct a pilot test |
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| 5 | |
When participants do not know if they are being exposed to the experimental treatment, they are said to be _____. |
| | A) | blind |
| | B) | deceived |
| | C) | concealed |
| | D) | controlled |
| | E) | debriefed |
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| 6 | |
During a study of effective remedies for drought-parched land on crop growth, Iowa farmers in the study experienced three straight days of heavy rain. This posed a(n) _____ threat to internal validity. |
| | A) | history |
| | B) | maturation |
| | C) | testing |
| | D) | instrumentation |
| | E) | mortality |
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| 7 | |
A study was conducted on a college campus to determine if binge drinking affected objective test performance the following day. A control group was used. The threat to internal validity called "Diffusion of treatment" occurred. This was likely because _____. |
| | A) | people in the experimental group communicated the treatment with people in the control group |
| | B) | researchers compensated the control group as a sort of consolation for not receiving a desirable treatment |
| | C) | competition arose between the groups |
| | D) | control group members resented being deprived of a desirable treatment |
| | E) | an unusual event occurred when one group, but not both, participated in the study |
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| 8 | |
Which term below is concerned with the interaction of the experimental treatment with other factors and the resulting impact on the ability to generalize results to other times, settings, or persons? |
| | A) | Reliability |
| | B) | External validity |
| | C) | Internal validity |
| | D) | Statistical significance |
| | E) | Substantive significance |
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| 9 | |
Which of the following is an example of an after-only case study experimental design? |
| | A) | employee participation in a social-media-use survey is measured following the announcement of a reward for participation. |
| | B) | store traffic is measured; a sale is announced; store traffic is measured again. |
| | C) | people who participated in the social-media-use survey are compared to people who didn't participate in the survey on their attitude toward social media use. |
| | D) | random assignment is used to divide participants into the control and experimental groups; a control group responds to a pre-test on brand preferences and a post-test; an experimental group responds to a pre-test, is exposed to a commercial for the brand, and responds to a post-test. |
| | E) | random assignment is used to divide participants into control and experimental groups; the experimental group is exposed to a commercial and then attitude toward the brand is measured; attitude toward the brand is also measured for the control group. |
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| 10 | |
The _____ experimental design relies upon the equation E = O2 – O1 to assess the effect of the treatment. |
| | A) | one-group pretest posttest |
| | B) | static group comparison |
| | C) | posttest only control group |
| | D) | separate sample pretest-posttest |
| | E) | all of the above |
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