Blog Archives

Is Data-Driven Decision Making Dead or Just in Rehab?

The recent release of Teacher Data Reports (TDR) in New York City made the problems with evaluations based on tests scores visible for many people. The idea of evaluating teachers based on how well their students do is a simple

Posted in Signs of the times, Teachers and data, Value-added models

How Can Infrastructures Affect Teachers & Systemic Improvement?

A recent discussion between David K. Cohen of the University of Michigan and the Fordham Institute’s Chris Tessone used the term infrastructure. Cohen, in an earlier post on ShankarBlog (from the American Federation of Teachers’ Shankar Institute), argued that individual

Posted in Big ideas & theories, Data downsides, Information infrastructure, Research, Signs of the times, Value-added models

Are All Teacher-Student Linkages Created Equal?

Across the nation educators and their technologists have been working to implement what is a seemingly simple information systems enhancement: linking the records for teachers with the records for students. This should seem to involve a matt of linking two

Posted in Information infrastructure, Research, Value-added models

Can Teachers Be Managers?

In April 25 of this year at an event on the campus of Johns Hopkins University titled The Future of Teaching: New Standards, New Tests, and New Evaluations — What does it all mean?, American Federation of Teachers President Randi

Posted in Big ideas & theories, Teachers and data, Top news stories, Value-added models

Balanced Report About One of the Nation’s Most Important Teacher Evaluation Systems

Pulitzer Prize winning journalist Susan Headden of Education Sector has written an excellent and balanced report on the DC Public Schools’ controversial IMPACT system that is used to evaluate teachers and instrumental in the dismissal of hundreds that were rated

Posted in Research, Teachers and data, Value-added models

Value Added Models – Equity and Exceptional-ism or Evaluation?

Anyone in education who has been introduced to the term value-added modeling likely is aware of how difficult a topic it is when it has been applied to measuring teachers.  I was at the American Federation of Teachers’ (AFT) bi-annual

Posted in Value-added models

Value-Added Models from 20,000 Feet

What are Value-added models (VAMs)?  They are a kind of statistical model that has been used to evaluate the performance of teachers.  VAMs have been developing since the 1990 and have been seen as an alternative to the achievement model

Posted in Value-added models