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Reaction Rates
Technical Quality Information
Contributed by: Council of Chief State School Officers (CCSSO)

These data were prepared by American College Testing (ACT) based on a field test of the SCASS Performance Event.

Unit Name: Reaction Rates
Unit Content: Physical Science
Unit Theme: Change over Time
Unit Statistics:
Event Score 0 1 2 3 4
N 42.00 55.00 24.00 9.00 9.00


N Mean Standard Deviation Standard Error
139.00 1.19 1.13 0.10

 


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