Refinement of Placement Rules
Basic Approach: Iterative
Develop a series of rules
Run rules on data with known results
Compare results from rules with results from experts
First Step: Translate original table into rules
Table used historically as guide for faculty
Historical data gave faculty results
About 50% consistency between rules and faculty
Next Steps: Refine rules
Discover systematic differences
Gather similar borderline cases and discuss with faculty
created May 1, 2003
last revised May 1, 2003
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