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6 Cards in this Set
- Front
- Back
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VOLUNTARY RESPONSE SAMPLE
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CONSISTS OF PEOPLE WHO CHOOSE THEMSELVES BY RESPONDING TO A GENEREAL APPEAL. USUALLY OVER REPRESENT PEOPLE WITH STRONG OPINIONS, MOST OFTEN NEGATIVE.
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CONVENIENCE SAMPLES
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CHOOSE THE INVIDIUALS EASIEST TO REACH
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UNDERCOVERAGE
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SOME PORTION OF THE POPULATION IS NOT REPRESENTATED
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NONRESPONSE
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WHEN A LARGE FRACTION OF THOSE SAMPLED FAILS TO RESPOND
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RESPONSE BIAS
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ANYTHING THAT MAY INFLUENCE RESPONSES. WORDING OF QUESTOINS, TRYYING TO PLEASE THE INTERVIEWER, UNWILLINGESS TO TELL THE TRUTH OR REVEAL PERSONAL INFO
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WORDING OF QUESTIONS
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TECHNICAL QUESTIONS; LONG QUESTIONS; LEADING QUESTIONS
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