administration student task rubric student work technical quality
 
Density
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: Density
Unit Content: Physical Science
Unit Theme: Patterns
Unit Statistics:
Event Score 0 1 2 3 4
N 47.00 59.00 53.00 18.00 10.00


N Mean Standard Deviation Standard Error
187.00 1.39 1.12 0.08

 


©1997-2005 SRI International. All rights reserved. Terms of Use