Originally uploaded in Pedagogy in Action:Partners:CAUSE Teaching Methods:Testing Conjectures.

Image 9099 is a 166 by 230 pixel GIF
Uploaded: May4 07

Permanent URL:

The file is referred to in 1 page
No information about the origin of this particular item is recorded. Please contact SERC for more information.
No information about limits on reusing this item have been recorded. You will need to contact the original creator for permission in cases that exceed fair use (see