A 4-year-old tells you he has an imaginary friend. His parents are concerned because he refuses to do anything without his friend's help. Which of the following nursing diagnoses is most applicable for his family?
a) Social isolation related to unwillingness to relate except through imaginary friend
b) Compromised family coping related to abnormal behavior of child
c) Deficient knowledge of normal preschool development
d) Disturbed thought processes related to deep-set psychological need
Answer: Deficient knowledge of normal preschool development