Assessment.
1) Interactive-engagement
versus traditional methods: A six-thousand-student survey of mechanics
test data for introductory physics courses Richard R. Hake Department of Physics, Indiana University, Bloomington, Indiana 47405 American Journal of Physics, 1997.

2) Evaluation of Physlet-Based Materials
Anne J Cox, Eckerd College,
coxaj@eckerd.edu
, Mario Belloni, Wolfgang Christian. Winter meeting of the American Physical Society, 2005.
3) Nicoll and Brooks Journal of Sci Ed and Tech, Vol 13, No 1, March 2004, p. 81-88.
Http://Physics.ius.edu