Piaget has been described as the father of cognitive mindset (Shaffer, 1988) and his level theory while the foundation of developmental intellectual psychology (Lutz & Sternberg, 2002). It is not necessarily possible to spell out Piaget's scientific findings and theory in just 1, 500 words. Instead, I will in brief review the theory's range, comprehensiveness, parsimony, applicability, heuristic value and methodological supporting.I will then evaluate much more detail the theory's utility in describing and explaining cognitive creation. Historically, Piaget's ontological strategy was revolutionary with its concentrate on the qualitative nature of cognition as well as constructivist point of view. The theory by itself is wide-scoped (universal), thorough (covering a broad spectrum of cognitive achievement) and beatifully coherent (from neonate to adult). That remains in a big way influential in cognitive..