This assumption rests on the fallacy of the inherent laziness in human nature;actually,aside from abnormally lazy people,there would be very few who would not want to earn more than the minimum,and who would prefer to do nothing rather than work.
Behaviorists suggest that the child who is raised in an environment where there are many stimuli which develop his or her capacity for appropriate responses will experience greater intellectual development.
My assistant,who had carefully read through the instructions before doing his experiment,could not obtain satisfactory results,because he followed them mechanically.