LIBERTY UNIVERSIRTY PSYC 255 REVIEW 5 QUESTIONS AND ANSWER
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Course
Psyc 255 (PSYC255)
Institution
Liberty University
Question 1
2 out of 2 points
During the late 1980s and the early 1990s the Pepsi Challenge was in full swing. During the
challenge, participants were asked to taste cola from both Coke and Pepsi. Once they had
tasted both drinks, the participants were asked to report which was better tastin...
During the late 1980s and the early 1990s the Pepsi Challenge was in full swing. During the
challenge, participants were asked to taste cola from both Coke and Pepsi. Once they had
tasted both drinks, the participants were asked to report which was better tasting. The results
indicated that participants found Pepsi products to be better tasting. This is an example of
what type of research design?
Selected Answer:
within subjects design
Question 2
2 out of 2 points
You want to replicate Barlett et al.’s research on amount of blood in a video game and
measures of aggression. Your independent variable has 4 levels: maximum blood, medium
blood, low blood, and no blood. You want to conduct a between subjects design. How
many total participants will you need if you want 10 participants in each level of the IV?
Selected Answer:
40
Question 3
2 out of 2 points
A research matrix is __________.
Selected Answer:
a visual representation of a research design.
Question 4
, 2 out of 2 points
Dr. Roberts with the Mayo Clinic conducted a study on individuals between the ages of 70–
89 and found differences in men and women. In this example, gender of participant was the
__________.
Selected Answer:
between subjects variable.
Question 5
2 out of 2 points
We discussed a study known as the Stroop effect. Stroop developed 3 types of stimuli for
his study. Each type of stimuli presented a different task that participants had to complete.
Stroop then measured the amount of time it took the participants to complete each task.
What is the dependent
variable in this study?
Selected Answer:
the time to complete the task
Question 6
2 out of 2 points
When the effects of a prior treatment condition influences subsequent treatment conditions, a
researcher is faced with this disadvantage to a within subject design.
Selected Answer:
carryover effects
Question 7
2 out of 2 points
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