Professor Plumb is interested in the impact of fruit consumption on memory. He identifies a group of college students to serve as research participants. Then he randomly assigns them to one of three conditions. In condition 1, the students eat no fruit for a week. In condition 2, students eat one pound of fruit each day for one week. Those students assigned to condition 3 eat five pounds of fruit each day for one week. At the end of the week, Professor Plumb measures the students' memory recall for a list of 20 words. Given this description, Professor Plumb appears to be using a(n) _____ research technique.
a. correlational
b. meta-analysis
c. experimental
d. biographical
Question 2
In a psychological experiment, a researcher always
a. manipulates some aspect of the environment and then measures the effect on behavior.
b. uses a control group.
c. randomly assigns participants to a minimum of three different instances of the independent variable.
d. tests the entire population.
Developmental stages of the fruit fly Drosophila
Group therapy.
U.S. Energy Consumption
The impact of climate change is greater in some areas than in others
Gastrulation in a Fruit Fly