A mother brings her​ 12-year-old son, who has​ cancer, to his oncologist​'s ​office; the client is complaining of severe pain. The nurse knows to incorporate which considerations into the assessment of this​ client?​(Select all that​ apply.)
a. Freud​'s latency stage
b. Kohlberg​'s theory of moral development
c. Psychological factors
d. Erikson​'s stages of development
e. Maslow​'s hierarchy of needs