Melita oden compared the 100 most successful men (the a group) with the 100 least successful men (the c group) from lewis terman's original sample of 1,500 children with genius-level intelligence. given that the iq scores of the a and c groups were essentially the same, what accounted for the difference in their level of accomplishment? group of answer choices birth-order differences: as were more likely to be only children or firstborns than cs. socioeconomic status: as came from families that were wealthier and better educated than the cs' families. creativity and flexibility: cs were less creative and flexible than the as. personality factors: as were more goal-oriented, more likely to persevere, and had a greater desire to excel than the cs.