Suppose you want to conduct a survey of the attitude

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Statistics for the Behavioral Sciences
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Chapter 4 / Exercise 18
Statistics for the Behavioral Sciences
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22.Suppose you want to conduct a survey of the attitude of psychology graduate students studying clinical psychology toward psychoanalytic methods of psychotherapy. One approach would be to contact every psychology graduate student you know and ask them to fill out a questionnaire about it. (a) What kind of sampling method is this? (b) What is a major limitation of this kind of approach?
25.You are conducting a survey at a college with 800 students, 50 faculty members, and 150 administrators. Each of these 1,000 individuals has a single listing in the campus phone directory. Suppose you were to cut up the directory and pull out one listing at random to contact. What is the probability it would be (a) a student, (b) a faculty member, (c) an administrator, (d) a faculty member or administrator, and (e) anyone except an administrator? (f) Explain your answers to someone who has never had a course in statistics.
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Statistics for the Behavioral Sciences
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Chapter 4 / Exercise 18
Statistics for the Behavioral Sciences
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