Re: Studying Retention of Knowledge and Skills

2000-03-01 Thread Jim Clark
Hi On 29 Feb 2000, Magill, Brett wrote: > I am planning to design a study of an educational program. Of interest is > the decay over time of knowledge and skills learned through the program. > Specifically, we want to know if there is a point in time when the rate of > decay changes (a steady dr

Re: Studying Retention of Knowledge and Skills

2000-02-29 Thread John W. Kulig
Brett: In addition to everything else you do, be sure to track data for individual cases. If there is an underlying function (e.g. steady decline followed by precipitous drop), averging data will obscure the function. I remember seeing discrimination learning curves from grouped data that used

Studying Retention of Knowledge and Skills

2000-02-29 Thread Magill, Brett
I am planning to design a study of an educational program. Of interest is the decay over time of knowledge and skills learned through the program. Specifically, we want to know if there is a point in time when the rate of decay changes (a steady drop turns into a crash). In addition, we want to