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

Unit Name: Acid/Base Indicators Unit Content: Physical Science Unit Theme: Patterns

Unit Statistics: Event Score 0 1 2 3 4 N 71.00 66.00 67.00 39.00 13.00 N Mean Standard Deviation Standard Error 256.00 1.44 1.19 0.07