When garrett attended graduate school, he discovered that the more he knew about the world, the more contradictory it seemed. everyday dilemmas did not have clear-cut solutions. garrett's reflections fit the observations of researchers who have studied development beyond piaget's formal operational stage. dualistic thought epistemic cognition metacognition postformal thought?

The answer is "postformal thought".

Postformal thought is that manner of thinking of late grown-ups in which they endeavor to adjust their reasoning in a way that would prepare them to illuminate the predicaments of adulthood. Youthful grown-ups confront a considerable measure of issues when they are attempting to build up themselves in their professions. This is likewise the time when they are finding a reasonable life accomplice for themselves. 

Ibelive the answer is a