Whereas piaget saw cognitive development as a result of individual discovery and a child's interaction with objects, vygotsky attributed cognitive development to
a. completing activities in isolation.
b. biological changes in the brain.
c. unconscious factors.
d. interaction between a child and skilled people.

d. interaction between a child and skilled people.

Explanation:

Vygotsky attributes cognitive development of a child to the interaction of that child with the environment and with the people who are more skilled than the child. The idea is that the child gains new skills from the people around them in a way of skill transfer. Hence, it can be suggested that the child learns through social interaction. Among the provided options, interaction between a child and skilled people best describes Vygotsky's suggestions regarding cognitive development.

i got 3,4 and 5 as an answer

chronological thinking is an indispensable tool to structure a historical narrative and to give meaning to a sequence of events. the final section presents the results of a survey to test the chronological thinking of lower secondary school students carried out by the educational research institute.