The Physlet Force Concept Inventory (FCI) Study
Physlet and traditional FCI responses from over 350 students.
Interviews with 14 students answering Physlet and traditional FCI questions.
Results - Quantitative
Answers on Physlet and traditional version were different 1/3 of the time.
Physlet was as likely to increase as decrease performance.
Physlet was most likely to have an effect when it was necessary to answer the question.
Correlation between verbal ACT score and traditional FCI performance. No correlation with Physlet FCI performance.
Results - Qualitative
An increase in the number of solution methods (correct and incorrect) allows for greater insights into student understanding.
Less misunderstandings due to reading difficulty or vague problem description.
Physlets are less likely to illicit memorized responses.
Validity of assessment is generally increased when using Physlets!