When Gehrig is left at preschool, he cries and will not play with the other children for some time. According to Chess and Thomas, Gehrig exhibit difficult temperament.
Temperament is a term used to describe a person's fundamentally based distinctions in mood, motor, reactivity, and self-regulation that show stability over time and in different contexts.
A biological foundation underlies temperament: Heredity, brain development, and hormonal influences influence how people react to their surroundings. Environmental circumstances and parental reaction can influence temperament.
The temperamental styles of Thomas and Chess:
To learn more about temperament, refer
https://brainly.com/question/11702652
#SPJ4