Interpreting Effectiveness Making Use of EVAAS Data What

Interpreting Effectiveness Making Use of EVAAS Data

What is EVAAS � Education Value Added Assessment System � Dr. William Sanders

Where do they get these numbers? � 8 th Grade Reading test score gives English I EOC predicted score � AC=CS-(. 92 * ATPA) � AC= Academic Change � CS=Current Score � ATPA= Average of two previous assessment scores � Becomes. 82 when only one pre-test score is available � English I is the 8 th Grade EOG

What Do We Do with the Information? � Low performing scores=119 -137 � Medium � High performing scores=138 -156 performing scores=157 -176

What Do We Do with the Information? Student Predicted Score Anticipated Group Johnny 136 Low Suzie 155 Medium Beevis 139 Medium Frankie 165 High Ashley 131 Low

What Do We Do with the Information? Student Predicted Score Anticipated Group Actual Score Academic Change Johnny 136 Low 140 +4 Suzie 155 Medium 155 0 Beevis 139 Medium 139 0 Frankie 165 High 160 -5 Ashley 131 Low 139 +8

What do all these numbers mean? � Yay! We just found a new teacher for the lower level kids!

Factors to consider � Were there excessive absences in the year by the teacher or the students? � Were there any changes in the student’s life that could have influenced academic growth? � Is this the normal performance of the teacher or are there changes in the teacher’s situation that may have influenced the results? � Are there any new programs at the school being implemented that could have had an effect on the student?

Can we trust this information? �. 8 Reliability Coefficient – Provided by Sanders � NCDPI suggests that the English I scores have a standard error of estimation of. 586 � EOC Correlations between Predicted values and Residuals = -. 006