Which of the following is NOT a component of the operant chamber?
a. Parallel metal bars that form its floor
b. A food hopper
c. A projection screen
d. A water spout
c. A projection screen
Answer feedback: There is no projection screen in the chamber. Instead, it also contains a speaker, a light, a bell, and a bar.
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Most parents who abuse their children
a. never witnessed or experienced violence when they were children. b. have an inflated sense of self-esteem. c. have inaccurate expectations concerning child development. d. are older fathers.
What is the most accurate conclusion we can draw from research on the long-term effects of drug use on brain and behavior?
a. It tends to be harmful, is never reversible, and animal research confirms this. b. It tends to be harmful, the effects can be reversed, and animal research confirms this. c. It may be harmful but we can never know how exactly because drug users tend to use many different drugs and animal research is rarely done to study drug abuse. d. Long-term use is rarely harmful. Behavioral and brain problems are always present before a person even begins using drugs.
The speed of processing visual information reaches adult levels at age 5
Indicate whether the statement is true or false
Correlation is a _____ condition for causation
a. necessary c. both a and b b. sufficient d. none of these