When extrinsically motivated, people are working toward some external reward, maybe money, good grades, approval or status. The behaviour tends to be a means to some end rather than a part of the end, they do not stay motivated for long however; I find children with learning disabilities respond initially and are motivated by rewards best, it can be used as a transitional period if you like to get them motivated, to start, then they experience intrinsic motivation after some success and the need for rewards disappears.
Having experienced all three states, I would certainly endorse the most effective as intrinsic, however I certainly would not dismiss extrinsic motivation, it may not be as satisfying but never the less a necessary fact of life, that is very powerful in getting our needs met.
New Zealand Herald April 17 2001, a quote from MP Richard Prebble " There is not a social issue from health to education to superannuation or employment that extra prosperity will not solve"� I have read your section on "˜Wanting to Learn: MOTIVATION' numerous times and yes I agree, page 40 in particular was of great interest as was