Joel Duffin

• vita

• blog

  
  My ramblings.

• Tatemae

  
  Justin and my web development company.

• Folksemantic

  
  Search, recommend, share, and discuss open education resources. A grant project I lead.

• Models for Learning

  
  Engaging the students of today to solve the problems of tomorrow. My company.

• National Library of Virtual Manipulatives (NLVM)

  
  Applets and activities for K-12 mathematics that I helped create at USU.

• Extending and Enhancing the National Library of Virtual Manipulatives (eNLVM)

  
  Interactive online mathematics lessons. An NSF project based on my dissertation.

• Theory for Authoring Tools that Support Adaptation of Interactive Online Learning Materials (TATSTAM)

  
  My dissertation.