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9 Cards in this Set

  • Front
  • Back
Bias
Tendency to favor certain circumstances over others.
TYPES:
1. Undercoverage
2. Non-Response
3. Response
4. Question Wording
Bias can occur in both non-probability and probability but more so in non-probability.
Under coverage (no response type bias)
some groups are left out when the sample is chosen
Non -response (no response type bias)
Individual can't be contacted or refuses to provide answers.
Response Bias
1. Respondent Response
2.Interviewer Bias
3.Question Wording Bias
Interviewer Bias (response bias)
when an interviewer influences response. (black, or female interviewers)
Respondent Bias(response bias)
when respondent's responses are influenced. (illegal activity questions for respondents)
Question Wording Bias(response bias)
questions in which there are leading phrases,loaded words or ambiguities. e.g two negatives question.
IMP POINT
In non-response and response people are involved only!!!
Lesson Vocabulary
Bias
Undercoverage bias
Non-Respone bias
Response Bias
Respondent Bias
Interviewer Bias
Question Wording Bias