Educational technology - Evaluation. - United States

Formative evaluation for educational technologies / by: (Language materials, printed)

Oversold and underused : = computers in the classroom / by: (Language materials, printed)

Evaluating educational technology : = effective research designs for improving learning / by: (Language materials, printed)

Educational innovations- United States.

Instructional systems- Design- United States

Educational technology- Evaluation.- United States

Computer-assisted instruction- History.- United States

Curriculum evaluation- United States.