LIS 504 - Bias

Some types of bias in data gathering

Nonresponse bias
Some parts of the population studied may be less inclined to provided data than others.
Selective observation
The researcher may be more inclined to examine some parts of the population (or some variables, causal explanations, etc.) than others.
Courtesy bias
Cultural norms may make respondents present more pleasant information or say what they think the researcher wants to hear.

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Last updated November 13, 2000.
This page maintained by Prof. Tim Craven
E-mail (text/plain only): t.craven@uwo.ca
Faculty of Information and Media Studies
University of Western Ontario,
London, Ontario
Canada, N6A 5B7