Dr. Smith is conducting a study to determine what 9-year-olds know. Based on theory, he believes that the 9-year-olds will advance in knowledge based on instructions. Dr. Smith's belief is based on . Group of answer choices

Lev Vygotsky's theory of cognitive development

Explanation: Lev Vygotsky's assertions in his sociocultural theory of cognitive development argues that a child's cognitive prowess is nurtured and set in motion through social relationship, guidance and help offered by others who are usually older and more skilled. Vygotsky argues that successful learning and

performance of a cognitive behavior lies considerably in the support or help offered to a child by people in his social environment who help give instruction on how a certain task is performed before such child can take up such task independently. Children just require that extra bit of social motivation or help in other to forge ahead especially those in the proximal zone of development where children require only a little push to do things on their own.

fir trees are found in areas with cooler climates. fir trees have needles for leaves and remain green year-round.