PSY301 Midterm (Past Quizzes) Questions with
Detailed Verified Answers for Accuracy
A scientist who manipulates as least one circumstance and
measures at least one behavior has done
✓✓ an experiment
Which method allows you to say that one variable caused a
change in another variable?
✓✓ An experiment
You have just finished a correlational observation and found
that people who chew gum tend to have more cavities. You can
conclude that
✓✓ chewing gum is related to tooth decay
A neuropsychologist who extensively studies the behavior of a
single patient having brain damage from an accident would be
doing what type of research?
✓✓ A case study
Suppose you have done research and found that on average for
children in middle schools the more times that they are sent to
the principal's office for behavioral problems, the lower their
grades. However, you are not sure whether the behavior
problems are causing the bad grades or the bad grades are
causing the behavioral problems. According to the text this
dilemma is called the
, ACCURACY IS GUARANTEED
✓✓ directionality problem
When you measure a person's behavior in an experiment you
are measuring a(n)
✓✓ dependent variable
The variable the experimenter manipulates in an experiment in
order to compare behavior at various levels is called the
✓✓ independent variable
I am interested in whether students from University A or from
University B are bigger sports fans. I make up a questionnaire
asking questions such as "What percentage of football games do
you watch? and give it to a group of 100 women from University
A and 100 men from University B. Suppose I find that the first
group scores statistically lower on the test than the second
group. If I conclude that University B students are bigger sports
fans than University A students, I might be wrong because
✓✓ there is a confounding variable
If you search an existing data set in the library, you are doing
survey research, T/F?
✓✓ False
One problem with the case history approach is that it requires
sophisticated statistical analysis, T/F?