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
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
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