What is the term that Thomas and Chess used to describe babies who have a positive disposition,whose bodily functions operate regularly,and who are adaptable?

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Thomas and Chess used the term "easy babies" to describe infants who exhibit a positive disposition, regular body functions, and adaptability. This term was one of the three classifications that they used to describe infant temperament, with "difficult babies" and "slow-to-warm babies" making up the other two categories.

What Is the Term That Thomas and Chess Used to Describe