Analytics blog from Avalon Business Systems. To find out more about our analytics offerings and SPSS Modeler please CLICK HERE.

 
alt

AvalonAnalytics.com (Avalon Business Systems, Inc.)

 

      Algebra 1 Scores & Social Group: Differences Increase from 2015 to 2016

      Eugen G Tarnow  February 21 2017 01:43:24 AM
      By Eugen Tarnow, Ph.D.
      Avalon Business Systems, Inc.
      http://AvalonAnalytics.com

      As income inequality increases, one would expect standardized test scores to do the same.  In the NJ PARCC Alegra 1 test, this is indeed the case.  Here are the 2015 scores by social group:

      Image:Algebra 1 Scores & Social Group: Differences Increase from 2015 to 2016

      And here are the differences between 2016 and 2015

      Image:Algebra 1 Scores & Social Group: Differences Increase from 2015 to 2016

      As the social group increases from A to J, the scores go up.  This corresponds to 73% of the variation:

      Image:Algebra 1 Scores & Social Group: Differences Increase from 2015 to 2016

      As always, I reserve the right to be wrong.
      Comments Disabled