I believe the answer is: Vygotsky's
According to Vygotsky's view, the primary function of a speech is not for socialization purpose, but for helping us coordinating the train of thought that is produced by our cognitive brain (which cause the child to speaking to his/herself while arranging the puzzle)
When a researcher uses numerical analysis, she is engaged in _____ research.
d. quantitative
Demographic Transition
Population aging is a by-product of the process known as "<em>Demographic Transitioning</em>." This process is determined mostly by fertility and mortality rate. For example: a population that has a high fertility rate has a low amount of older people, and vise versa.
Monks live and spend their lives in monasteries
