Exam 2A & Answers


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Unformatted text preview: YOUR NAME: TO GET CREDIT FOR EXAM, YOU NEED TO SIGN AND TURN IN THIS PORTION OF THE EXAM, ALONG WITH BLUE BOOK AND SCANTRON FORM. Introduction to Psychology as a Natural Science, spring 2009 Exam 2 March 28, 2009 This is version A of the exam. Please write “A” on the scantron answer sheet. IMPORTANT INSTRUCTIONS: (1) Write your name on this exam sheet and on your blue book. (2) Write the exam version (A or B) on the scantron answer sheet. (3) Fill in your name on the scantron answer sheet (no other info needed). Answer all multiple choice questions and the essay at the end. There are 40 scantron questions, each worth four points (80% of exam). The essay is worth 40 points (20% of exam). There are also one extra-credit multiple choice questions (4 points) and one extra-credit “essay” (5 points) 1. In the experiment in which rats preferred signalled to unsignalled shock:, the rats took ________time to lift their paws off a hotplate in the presence of the conditioned stimulus. This was a sign of ___________conditioned______________release. a. less, classically, endorphin b. more, classically, endorphin c. less, operantly, dopamine d. more, classically, dopamine b 2. Conditioned heroin effects help explain the following phenomena: a. heroin overdoses b. situation specific heroin withdrawal sympoms c. situation specific heroin tolerance d. all of the above d 3. What psychological principle did Pavlov’s experiments teach us? a. They demonstrated how a nonbiologically salient stimulus can trigger the same natural response as a biologically salient stimulus. b.They demonstrated that all biological responses must be elicited by biologically salient stimuli. c.They demonstrated how learning could take place without the presence of punishment. d.They demonstrated that complex behaviors, such as fear of a stimulus, can be learned observationally. a 4. In Pavlovian conditioning, extinction results when: a. The conditioned response is no longer rewarding. b. The unconditioned stimulus no longer evokes a response. c. The conditioned stimulus no longer predicts the unconditioned stimulus. d. The conditioned response no longer predicts the conditioned stimulus c 5. When illness is the unconditioned response, conditioning occurs much faster with taste as the CS than tones as the CS. This result: a. was predictged by Pavlov’s account of learning b. was not predictied by Pavlov’s account of learning 1 c. was predicted by Pavlov’s theory of equipotentiality d. was predicted by Pavlov’s account of second-order conditioning b 6. Later modifications of Pavlov (e.g., the Rescorla-Wagner mode) suggest that the increase in strength of CS-US association on a learning trial depends on how ____________ the US was....
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This note was uploaded on 04/24/2009 for the course PSYCHOLOGY PS111 taught by Professor Heyman during the Spring '09 term at BC.

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