choice -- payoff(s) / challenge(s) / game(s) / math(s) / plan(s)

* _ .. -- @ media / idea(s) / change(s) / theme(s) ? [:/] _


education(s) question(s) moral(s) rethoric(s)


... task(s) ... -- attractive / heuristic -- ... reward's detrimental effects are probably as widespread as its benefits ... -- ... if this is so, psychology is certainly late in announcing this fact to parents, teachers, and businessmen, who would certainly like to know it ...

life(s) / closure(s) / reflect(s) / fight(s) / cost(s) of reward(s)

* - play / social(s) / machine(s) / method(s) / cycle(s) # ! @ Æ