All those who produce tests claim that their tests are valid and reliable. Unfortunately, such claims are meaningless, because tests cannot be valid, and they cannot be reliable.
A failure to understand why such claims are incorrect means that the substantial power of assessment to support learning is often lost.
In this week’s webinar, Dylan Wiliam explained how to think about validity and reliability in a way that means that our assessment practices can both support learning and provide meaningful information about our students.
AND THERE’S MORE
Dr. Wiliam couldn’t get to all of the viewers’ questions before the time was up. However, he has responded to the remaining questions, and we’re pleased to share the audio:
We believe that the most important thing a teacher or leader can do is to fuel each student’s passion for learning. When this is achieved, a lifetime of accomplishment becomes possible for that learner. Through partnerships with schools and districts throughout the country, we help educators and leadership transform each classroom into a powerful learning environment that prepares students for lasting success in school, the global workplace, and beyond. Our vision for the future is big and bright, and we love helping schools get there. Learn more about Learning Sciences International.