In article <CJA2D1.3wq at hippo.ru.ac.za> robin at ruchem.ru.ac.za writes:
>Any problem demanding mathematical dexterity immediately results in the
>distribution of marks aquiring two distribution curves, rather than the
>one normal curve one gets when one asks a question requiring pure memory
>extraction.
Is this dual distribution common in student solutions to complex problems?
theories?
Freeman
