In order to improve STEM education, as well as incorporate 21st century skills, teacher education programs are in the process of finding better ways to address these areas (Trilling & Fadel, 2009). New teachers entering the workforce are prepared mostly to teach content the way they were taught (Alger, 2009; Eick & Reed, 2002; Goodnough…

When a course designed around cooperative, problem-centered instruction attracts learners with a wide range of experience in the topic, should learners be grouped heterogeneously or homogeneously in terms of their relative expertise? In this study, learners were randomly distributed between the two types of groups; learning gains, satisfaction,…

Explored the professional development experiences of 28 practicing teachers involved in a two-year technology supported problem-based learning curriculum development effort. Discusses collaboration in teaching and the use of asynchronous computer-mediated communication and compares that discourse with the discourse produced by teachers in…