Chapter 1 The Sample with the Built-In Bias
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Explain the possible problems with the average income of a Yale man. (a) $25,111 per year (b) What men “said” they earned (c) What were the problems with the representative sample and the answering of the questionnaires? *
Why should a sample be large enough and selected properly? *
Explain the market research example about magazine readership, and then describe a better way to determine magazine readership. *
Explain the question: “How can anyone find out such a thing?” *
Considering representative samples with bias removed, what is the problem with the psychiatrist and his statement that practically everyone is neurotic? *
Give three examples of random samples. *
What is the test of the random sample? *
What is the problem with obtaining random samples? *
What are the problems with stratified samples? *
How can the interviewer affect responses to a survey or questionnaire?  (Use the example with the Japanese/Nazi question.) *
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