"In order to study intelligence , it is essential to know and understand motivation , and motivation can not be known or understood without first knowing and understanding the value system of the entity under study ."
"Well , sort of . It is n't necessary , but if you 're predicting intelligence from what someone does rather than direct measurements of physical properties , knowing their motivation level might allow you to make more accurate predictions . Nevertheless even without knowing the subjects ' motivations at all , today 's generic intelligence tests still have excellent predictive power for success in both school and employment , and are perhaps better predictors for future success than any other method we have ( including interviews , personality inventories , aptitude in a particular field )"
"In order to study intelligence , it is essential to know and understand motivation , and motivation can not be known or understood without first knowing and understanding the value system of the entity under study ."
"Well , sort of . It is n't necessary , but if you 're predicting intelligence from what someone does rather than direct measurements of physical properties ,"