Researchers Alexander Thomas and Stella Chess found that about two-thirds of infants can be classified as having either an easy, difficult, or slow-to-warm-up temperament.

Question

Quizplus · Accepted Answer

This statement is true. Alexander Thomas and Stella Chess conducted a famous longitudinal study on infant temperament and found that about two-thirds of infants fit into one of three temperament categories: easy, difficult, or slow-to-warm-up.

Researchers Alexander Thomas and Stella Chess Found That About Two-Thirds