The third temperament type was labeled, slow to warm up. These children initially did not adapt easily to eating and sleeping patterns, or to new or frustrating situations. In contrast to the difficult infants, however, the slow to warm up infants eventually adapted to regular routines and could take new situations and frustrations in stride.
elty, are slow to adapt, and somewhat negative in mood are described as "slow to warm up." And, infants who are high in regularity, adapt-ability, and approaching towards novelty, are considered "easy" in temperament. Researchers have used these temperamen-tal types, particularly the difficult type, to pre-