When new understandings are achieved but the range of information able to be understood does not change, a learner’s zone of proximal development a. grows wider b. becomes bigger c. is smaller d. does not change according to jean piaget, in what stage of cognitive development are children able to understand conservation tasks? a)formal operational b)preoperational c)sensorimotor d) concrete operational according to piaget’s theory on cognitive development, individuals construct knowledge mainly through a)acquiring an early education b) interaction with the environment c) parental influence d)use of cultural tools which of the following statements regarding cognitive development is false? a)parents who reason openly with children can limit a child’s cognitive ability. b) an educational environment that encourages children to explain personal thoughts generally improves cognitive ability. c) opportunities to reflect on prior knowledge often increases cognitive development. d) lack of opportunity to explore one’s environment can limit one’s reasoning.