SOC 3900 FINAL EXAM AND PRACTICE EXAM LATEST
2025 WITH CORRECT QUESTIONS AND DETAILED
ANSWERS/ALREADY GRADED A+
In a true experimental design, a researcher uses random assignment to designate
two groups: one that receives experimental treatment and one that does not. -
CORRECT ANSWER-True
Quasi-experimental designs are distinguished from true experimental designs
because they lack control groups. - CORRECT ANSWER-False
Laboratory experiments tend to have high external validity, but low internal
validity - CORRECT ANSWER-False
A regression effect occurs when the experimental group performs consistently
better due to being studied. - CORRECT ANSWER-False
In actuality, the experimental effect in the Hawthorne experiment was likely the
result of selection bias. - CORRECT ANSWER-True
,Which of the following is a potential source of internal invalidity that is associated
with the staff of the experiment? - CORRECT ANSWER-Self-fulfilling Prophecy &
Instrument Decay
Between the experimental treatment and the post-test, subjects may drop out,
talk to members of the comparison group, or mature. These are all problems
associated with: - CORRECT ANSWER-Internal Invalidity
While conducting a before-and-after quasi-experiment on fire preparedness at a
local university and before the post-test was administered, a major fire occurs in a
dorm on campus. Although the post-test showed increased fire preparedness, the
researchers could not conclude that their experimental treatment was the cause.
What source of internal invalidity were the researchers mostly likely concerned
about? - CORRECT ANSWER-External Events
A random distribution of benefits is ethical in experiments when: - CORRECT
ANSWER-A researcher does not know if an experimental treatment will have
beneficial effects or if funding does not allow all subjects to receive treatment
Because staff expectations can change the way that subjects respond to an
experimental treatment, some experiments employ this design in which neither
the subject nor the staff knows who is getting the experimental treatment: -
CORRECT ANSWER-Double blind Design
To ensure that the treatment is being delivered as planned, many experiments
take periodic measures throughout the experiment. This is known as: - CORRECT
ANSWER-Process Analysis
, What experimental or quasi-experimental design contains a pretest, a treatment,
and a posttest, but no control group? - CORRECT ANSWER-Before and After
Design
A researcher studies the effect of admitting men on the performance of women in
traditionally all female colleges. For the study, she selects two traditionally all-
female colleges that are of comparable size, have comparable admission
requirements and costs, and attract a similar type of student. One of these
colleges is soon to begin admitting men. She obtains academic aptitude scores for
all the women in both colleges before the men were admitted. One year after
men are admitted to one college, the researcher again obtains academic aptitude
scores for women at both colleges. She compares the score for the two colleges
to identify the effect of the college admitting men. The college that did not admit
men in this design is the - CORRECT ANSWER-Control Group designated before
the treatment occurred
A researcher studies the effect of admitting men on the performance of women in
traditionally all female colleges. For the study, she selects two traditionally all-
female colleges that are of comparable size, have comparable admission
requirements and costs, and attract a similar type of student. One of these
colleges is soon to begin admitting men. She obtains academic aptitude scores for
all the women in both colleges before the men were admitted. One year after
men are admitted to one college, the researcher again obtains academic aptitude
scores for women at both colleges. She compares the score for the two colleges
to identify the effect of the college admitting men. What quasi-experimental
design is this study? - CORRECT ANSWER-Non-equivalent control group
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