The Primary Care Pediatric Nurse Practitioner Provides Patient Teaching for

The primary care pediatric nurse practitioner provides patient teaching for
children newly diagnosed with irritable bowel syndrome (IBS) . At which stage of development will children be able to understand the link between stress and the symptoms of the disease?

A) Concrete­operational stage
B) Formal­operational stage
C) Pre­conceptual stage
D) Sensorimotor stage