choice -- payoff(s) / challenge(s) / game(s) / math(s) / plan(s)
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..
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media
/ idea(s)
/ change(s)
/ theme(s)
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:
/]
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education(s)
question(s)
moral(s)
rethoric(s)
... incentives will have a detrimental effect ... -- ...
when the task is interesting enough for subjects that
the offer of incentives is a superfluous source of motivation ... -- ...
when the solution to the task is open-ended enough that the
steps leading to the solution are not immediately obvious ... -- ...
this reduces the requirement that the task be inherently attractive
and have a heuristic solution ...
life(s) / closure(s) / reflect(s) / fight(s) / cost(s) of reward(s)