ERRORS IN SURVEY RESERACH BY: Mahima Nigam (11BSPHH010446) Aitrayee Anuj sood
Dec 22, 2014
ERRORS IN SURVEY RESERACH
BY:Mahima Nigam (11BSPHH010446)AitrayeeAnuj sood
THE NATURE OF SURVEYS
• Survey: Method of Gathering primary data.• Respondents: Who answers interviewer’s
questions.• Sample Survey: purspose of contacting
respondents.• Primary Data: Gathered and assembled for
research project in hand.
Errors in survey researchTotal error
Random sampling error
Random sampling error: Difference between the result of a sample and the result of a census conducted using identical procedures.
Systematic error: Due to imperfect aspect of research design or mistake in execution of research.
Sample bias: when the results of sample show a persistent tendency to deviate in one direction.
Respondent errorResponse
biasDeliberate falsification
Unconscious misrepresentation
Non-response error
Respondent error:Non response error: statistical difference
between those who answered and those who did not. Response bias: when respondent consciously or
unconsciously misinterpret the truth. Acquiescence biasExtremity biasInterviewer’s biasAuspices biasSocial desirability bias
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