Who employed the construction of schema, assimilation, accommodation and equilibration in their theory?

Who emphasized the role of culture in promoting certain types of activities?

Who strongly emphasized the stages of development (sensorimotor, pre-operational, concrete operational and formal operational)?

Who believed that human development is the result of interactions between people and their social environment?

"Learning precedes development" supports whose theory?

Who stated that we progress through three levels of moral thinking that build on our cognitive development?

Whose theory includes stages in thinking about right and wrong that everyone goes through as one grows up?

Preconventional, Conventional and Postconventional levels are present in whose theory?

Who believed humans pass through stages of development with each presenting the individual with a unique developmental task or crisis to resolve?

Lawrence Kohlberg based his refined theory on whose work?

Who supported the idea that a more knowledgeable person is needed in order for someone to learn?

Who believed in the Zone of Proximal Development (between what a learner can and cannot do, with support)?

Who believed that personality development occurred in five stages, in which the ego and superego developed?

Erik Erikson based his theory on the groundwork of whose work?