This study examines the relationship between internal barriers, professional development, and computer integration outcomes among a sample of fourth- and fifth-grade teachers in an urban, low-income school district in the Southeastern United States. Specifically, we examine the impact of teachers' computer attitudes, computer anxiety, and computer…

The assessment of learning in large online courses requires tools that are valid, reliable, easy to administer, and can be automatically scored. We have evaluated an online assessment and learning tool called Knowledge Assembly, or Knowla. Knowla measures a student's knowledge in a particular subject by having the student assemble a set of…