Midterm Practice Exam
Dr. Carter conducts an experiment on the effect of daily vitamin intake on adults' energy level.
vitamin intake is the ______ variable in this experiment.
Professor Ross is passing the following objects around the room: a feather, a steel ball, a peach, and a square
piece of sandpaper.
He asks his students to concentrate on and describe the intensity and clarity of the images
and sensations that they receive from handling each object.
Professor Ross' students are about to engage in
Norwin wants to find out whether or not chewing gum causes students to remember more information.
to a research consultant who tells Norwin that he should use the ______ method to answer his question.
Dr. Fredz's believes that watching violence on TV causes children to be more aggressive on the playground.
has two equal groups of children. Group A watches a funny, non-violent cartoon and Group B watches a funny,
Then Dr. Fredz observes the children on the playground and records the number of aggressive
moves each child makes.
To avoid having a problem with his data, Dr. Fredz should use a ______ research
Dr. Silver is interested in studying the emotional experiences of people who suffer a severe spinal cord injury.
She studies one patient by following him through his daily life for six weeks, recording his behaviors, talking to
his peers, and asking him questions about his emotions.
Which of the following methods of data collection has
Dr. Silver used?
Ms. Hee is picking students to represent her school in the “Math Bowl”, a contest to see who can get the most
math questions correct in one session.
Based on the data from their past math tests, Ms. Hee should pick which
of the following students to participate in the Math Bowl?
Mean=75, Median= 75, Mode=75
Mean=77, Median=65, Mode=77
Bonnie, Mean=75, Median=70, Mode=80
Mean=77, Median=72, Mode=72
Martina conducts research with prisoners to determine if rewarding them for appropriate behavior will be more
effective than punishing them for inappropriate behavior. In this example, Martina is using a(n) ______
approach in her research.
Jane has a phobia of public speaking. To help her overcome her phobia, she decided to consult a ______