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PS420 Learning Theories Exam 7 Part 1 Answers (Ashworth College)

D. A 20-second tone

D. A 20-second tone versus a 40-second light Question 4 of 40 2.5/ 2.5 Points The peak procedure has been used to demonstrate an animal's ability: • A. to discriminate between two stimuli of different durations. • B. to discriminate between two different numbers of objects. • C. to time the duration of an interval that sometimes ends with a reinforcer. • D. All of the above Question 5 of 40 2.5/ 2.5 Points In some cases, a person may have difficulty studying in a particular location because that location is associated with: • A. discrimination reversals. • B. directed forgetting. • C. many behaviors other than studying. • D. All of the above Question 6 of 40 2.5/ 2.5 Points Which of the following has NOT been found in any creatures other than humans? • A. The correct use of pronouns and prepositions • B. Reference to objects and events not present • C. Accurate counting above 12 objects • D. The ability to recognize a repeating serial pattern Question 7 of 40 2.5/ 2.5 Points According to Wagner's theory of rehearsal in animals, a surprising post trial episode can diminish the conditioning from a CS US pairing because: • A. surprising events attract a good deal of attention. • B. short term memory has limited capacity. • C. both rehearsal and attention make use of short term memory. • D. All of the above Question 8 of 40 0.0/ 2.5 Points In the research of Jenkins and Harrison, one group of pigeons received intradimensional training a 1000 Hz tone was an S+ and a 950 Hz tone was an S . In a generalization test along the dimension of tone frequency, this group produced: • A. typical generalization gradients with peaks at 1000 Hz. •

B. extremely narrow generalization gradients. • C. flat generalization gradients. • D. no generalization to other tones. Question 9 of 40 2.5/ 2.5 Points Which of the following response rules is consistent with the relational theory of stimulus control? • A. Choose the greener of the two stimuli • B. Of the three stimuli, choose the one of intermediate brightness • C. Both a and b • D. Neither a nor b Question 10 of 40 2.5/ 2.5 Points The context-shift effect in memory is the finding that recall can be better if: • A. the context is free from distractions. • B. you switch to a new context when trying to remember something. • C. the context during recall is the same as when the learning took place. • D. None of the above Question 11 of 40 2.5/ 2.5 Points __________ is the understanding that objects continue to exist when they are not visible. • A. Directed categorization • B. Object permanence • C. Metacognition • D. Reinforcer habituation Question 12 of 40 2.5/ 2.5 Points Studies have shown that chimpanzees can solve problems involving: • A. analogies. • B. transitive inference. • C. Both a and b • D. Neither a nor b Question 13 of 40 2.5/ 2.5 Points Experiments on sensory deprivation have shown that if birds are prevented from seeing different colors when they are young: • A. the birds are color blind as adults.

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