Skinner's operant conditioning procedure is known as the free operant procedure because a rat
A) ?is put on a free feeding schedule before the experiment starts.
B) ?is free to enter and leave the chamber.
C) ?is free to move about the chamber.
D) ?freely controls the rate at which it responds for food.
D
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Recent research by the Children's Hospital Boston found that the medullas of babies who had died from SIDS were less sensitive to the brain chemical
a. serotonin. b. adrenaline. c. dopamine. d. GABA.
Table A in your textbook has no negative z values, this means _________
a. the table can only be used with positive z values b. the table can be used with both positive and negative z values because it is symmetrical c. the table can be used with both positive and negative z values because it is skewed d. none of these
When our anxiety is high, we can use _______ to resolve that anxiety
a. self-defense b. defense mechanisms c. preconscious technique d. self-esteem
Gordon Russell (1983) found that spectators at a violent hockey game got increasingly hostile and belligerent over the course of the game. It took _______________ for the spectators' hostility to get back to where they were before the game.
A) a full day B) approximately 15 minutes C) 12-14 hours D) several hours E) approximately 45 minutes