Complex sentence: Early developmental history is conceptualized from a Piagetian cognitive-emotional developmental perspective and patients enter treatment, more often than not, thinking and functioning in the social-interpersonal arena in pre-formal operational ways.
Split into simpler sentences: Early developmental history is conceptualized from a Piagetian cognitive-emotional developmental perspective. Patients enter treatment, more often than not, thinking and functioning in the social-interpersonal arena in pre-formal operational ways.