किस मनोवैज्ञानिक ने कहा था कि किशोरावस्था 'प्रबल तनाव, दबाव, तूफान और संघर्ष की अवस्था' है?

The term that refers to specific periods in human development during which individual capacities are particularly susceptible to environmental influences is:

Adolescence is defined as a _________ period between childhood and adulthood that takes place within a particular cultural context.