Conditioned reinforcers are acquired through learning
Indicate whether the statement is true or false
True
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The purpose of a pilot study is to
a. help the researcher decide if the study is feasible. b. assess the appropriateness and practicality of the data-collection instruments. c. provide experience in finding solutions to unanticipated problems. d. all of these are true.
The attrition (dropout) rate of teachers
a. is highest from the first to the fifth year of their careers b. is highest from the sixth to the tenth year of their careers c. is about 10 percent per year for all teachers d. has decreased dramatically since the 1960s
When you write and practice answering test questions to prepare for a test, you should
A) strive to write at least fifty true-false questions. B) focus on essay questions because they are the most difficult to compose. C) use your textbook and your notes to create a variety of different kinds of test questions. D) always practice the questions with a partner so you can quiz each other.
An animal researcher randomly assigns fifteen pigeons to each of five groups. The pigeons learn to peck at a colored disc for which they receive feed from a food dispenser. Each group is on a different schedule of reinforcement. At the end of a ten-day experimental period, the researcher records the number of pigeons who succeeded in reaching the criterion pecking rate of five pecks per second and the number who failed in each of the five schedule of reinforcement groups. She is interested in whether reaching the pecking criterion depends on type of reinforcement schedule. What frequency test would you choose to answer the question?
What will be an ideal response?