This Web site supports and extends a four-article series published in ISTE‘s Learning & Leading with Technology from February through June/July, 2008. The resources included here will help you to become familiar with the full range of possibilities for the four items in the list above with which most ETPD providers have worked the least: ETPD goals, ETPD models, Matching ETPD models and methods to participating teacher characteristics, and Assessing the efficacy of ETPD designs.