In summary, PhET quantum simulations are designed
to address previously-known student difficulties in quantum
mechanics, as well as many new student difficulties
uncovered as a result of our research. The key features of
PhET simulations - visualization, interactivity, context,
and effective use of computations - are particularly effective
for helping students understand the abstract and
counterintuitive concepts of quantum mechanics. Our
research has shown these simulations to be effective in
helping students learn, and has revealed new insights into
how students think about quantum mechanics.