Slide 1

Advanced Users MidYIS, Yellis & ALIS Durham 2013Understanding the StudentsIntroduction to the Test DataUnderlying PrincipleIf we measure a students ability we can determine typical progress for the individual and use this to inform likely outcomes and against which to measure performance of individuals and groups.

Q. How does this work ?

Q. How do we measure and interpret ability ?

Q. How do we interpret the data fairly and reliably ?Measuring and Interpreting AbilityOptions

Use Pre-existing qualification data Post-16 Average GCSE

Use Baseline TestPost-16 and Pre-16 Computer Adaptive Baseline Test

Note: Issues regarding use of CABT alongside Average GCSE at Post-16 will be examined later in the day with predictive information.

Adaptive approachLowAverageHigh6Baseline Test Standardisation

Test scores are standardised; Mean = 100, SD = 15Standardised ScoreNational PercentageComment>130Top 2.5%Traditional classification of mentally gifted>120Top 10%>100Top 50%