Zack believes that drinking milk improves memory. He conducts an experiment in which he randomly chooses a group of participants and randomly divides them into two groups. Group A drinks milk before trying to remember a list of nonsense syllables. Group B drinks nothing before trying to remember a list of nonsense syllables. The experimental group in this experiment is ____.
a. the number of nonsense syllables remembered
b. Group A
c. the level of thirst before drinking the milk
d. Group B
Question 2
Dr. Kilgore is studying the effects of Prozac on depression. Dr. Kilgore runs a double-blind study on a group of sixty college students. Thirty students receive Prozac and thirty students receive a placebo. At the beginning and end of the study, Dr. Kilgore administers the Beck Depression Inventory (BDI) to determine the efficacy of the drugs. In this experiment, the group that receive Prozac is considered the ____ group.
a. independent
b. dependent
c. experimental
d. control
Many mothers pump their breast milk so that fathers can be involved in infant feedings
Rutherford Scattering Experiment
An Example of an Electrical Stimulation Experiment
Rosenthal and Fode’s Rat Experiment
Memory Analogy
The Lederberg–Zinder experiment using Salmonella