skye and austin
born in Orsha, Russia in 1896.He went to Moscow State University, he graduated with a degree in law in 1917. He studied topics like sociology, linguistics, psychology, and philosophy. However his work in psychology did not begin until 1924 when he attended the Institute of Psychology in Moscow.
social development theory
this theory says that social interaction is fundamental to cognitive development. this means that it is key for infants to be around people because it helps them to develop speech. According to Vygotsky "Every function in the child's cultural development appears twice: first, on the social level, and later, on the individual level; first, between people (interpsychological) and then inside the child (intrapsychological). This applies equally to voluntary attention, to logical memory, and to the formation of concepts."
how can it be used in real life
This theory can be used to help the children develop there vocabulary use by hearing other people speak, and if you speak to the child it can help them understand how to respond.