Skip Navigation
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.
Cumulative Rating: (not yet rated)
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
Email Address
Date Issued 1998
Resource Type
Author Name David Polson
Author Organization Athabasca University
Material Type
Statistical Topic
Intended User Role
Math Level

Resource Comments

(no comments available yet for this resource)