What is a control group used for?
What will be an ideal response?
In a true experiment, there is a control and experimental group. While the experimental group receives the "treatment," the control group does not. The control group is used as a baseline comparison.
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In the U.S., among those in the age range 15 to 24 years, what is the rate of suicides?
a. One every week b. One every day c. One every 2 hours and 15 minutes d. One every 15 minutes
When Carrie tells her mother "I want," her mother asks, "What do you want?" This is an example of
a. prompting. b. scaffolding. c. expansion. d. induction.
Tonya was playing backgammon and she needed to roll a pair of sixes on her next throw of the dice in order to win the game. She shook the dice three times in her right hand, blew on them once, and rolled. When the dice fell, they landed with double sixes facing up. Now Tonya always shakes the dice three times and blows on them before she rolls, and about 15% of the time, she rolls doubles of some
number. Based on what is known about operant conditioning, you should conclude that Tonya's behavior best illustrates the concept known as: a. adventitious reinforcement b. successive approximations c. classical conditioning d. the Premack principle
Activity in which brain region most directly causes the onset of sleep?
a. the release of acetylcholine. b. activation of the cerebral cortex. c. day/night cycles. d. muscle paralysis. e. rapid eye movements.