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This tutorial introduces 9 sources of threat to internal vailidity and asks the user to classify hypothetical experiments as either internally valid or invalid and identify the source of threat if invalid.
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Date Of Record Creation 2004-07-06 21:42:00
Date Last Modified 2004-07-27 15:38:00
Date Of Record Release 2004-07-06 21:42:00
Source http://psych.athabascau.ca/
Email Address webmaster@server.bmod.athabascau.ca
Date Issued 1998
Resource Type
Audience
Format
Author Name David Polson
Author Organization Athabasca University
Source Code Available Off
Material Type
Statistical Topic
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Cost
Intended User Role
Math Level

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