Educators in Cook County Want to Assess the Efficacy of a New

Multiple Choice

Educators in Cook County want to assess the efficacy of a new reading program they put in place.Therefore, they randomly assign some schools in the county to institute the new reading program and other schools to remain on the traditional reading program.When performing the analysis to determine whether students using the new reading program perform better, the educators control for socioeconomic status, a variable known to be related to educational outcomes.What kind of analysis have the educators performed?

A) two-way ANOVA
B) MANOVA
C) ANCOVA
D) one-way ANOVA