The Internet has changed not only how we conceptualize knowledge, but also how we learn in classroom. Knowledge is not any longer transmitted from experts to non-experts, but is constructed through communication, collaboration, and integration among a network of people. In this context, teachers are expected to facilitate student-centered learning…

This article concentrates on the validity and reliability of portfolio assessment as used in pre-service teacher education. It is not possible to make general pronouncements about the validity of portfolio assessment in pre-service teacher education as there are multiple portfolio applications. The validity depends on the purpose, namely the…

According to Schilling, Blunk, and Hill, the set of papers presented in this journal issue had two main purposes: (1) to use an argument-based approach to evaluate the validity of the tests of mathematical knowledge for teaching (MKT), and (2) to critically assess the author's version of an argument-based approach to validation (Kane, 2001, 2004).…

Standardized portfolios are being used by teachers and teacher candidates to demonstrate subject matter knowledge for certification or to be considered highly qualified; however, the psychometric adequacy of data used for this purpose has not been evaluated. In the current study, we examined the interscorer reliability, concurrent, predictive, and…