The purpose of these case studies was to examine the ways technology and professional development supported the use of the SimScientists assessment systems. Qualitative research methodology was used to provide narrative descriptions of six classes implementing simulation-based assessments for either the topic of Ecosystems or Atoms and Molecules.…

This study examined teachers' uses of virtual manipulatives across grades K-8 after participating in a professional development institute in which manipulatives and technology were the major resources used throughout all of the activities. Researchers analyzed 95 lesson summaries in which classroom teachers described their uses of virtual…