LIS 504 - Reactive effects

The very act of data collection can affect the items on which the researcher wants to collect data. For example, in the Hawthorne effect people tend to improve their performance just because they know they are part of an experimental group.

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Last updated November 2, 2000.
This page maintained by Prof. Tim Craven
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Faculty of Information and Media Studies
University of Western Ontario,
London, Ontario
Canada, N6A 5B7