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| Date: | Tue, 17 Nov 2009 07:27:02 -0800 |
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Hi
We wrongly accused a student team of cheating on an IF-AT (see attached)
At first glance they seem to know where the stars were....partial scratches
just barely revealing stars
Turns out when we compared handness (i.e. Students that scratch from --
right, left and middle -- each has an anomalous pattern of ³coincidence²)
There still are some anomalous scratches on the attached IF-AT.....but it
took away our confidence to call it cheating
Jim
Jim Sibley
Director
Centre for Instructional Support
Faculty of Applied Science
University of British Columbia
2208-6250 Applied Science Lane
Vancouver, BC Canada
V6T 1Z4
Phone 604.822.9241
Fax 604.822.7006
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Web: http://cis.apsc.ubc.ca
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