Answer:
J Kagan
Explanation:
According to Kagan, :
temperament refers to stable behavioral and emotional reactions that appear early and are influenced in part by genetic constitution.
—Thus as Kagan's developmental psychologist hypothesis implies, a temperament of society refers to consistent patterns in behavior that have a biological basis, relatively independent of ambient factors like learning, systems of established values , context, and other preexisting elements.
He studied babies in Guatemala, and after taking in consideration cultural , and biological factors he argues:
The characteristics mentioned can influence later the behavior of the infants depending on how they engage with environment, but Kagan thinks that still a stable behavior based only in one cause is difficult since environment is always changing , and genes also are changing in response to these dynamics.
