According to psychologist Lawrence Kohlberg, which of the following stages reflects concrete interests of the individual considered in terms of rewards and punishments?

Rogers's therapy is called "client-centered therapy."

Indicate whether the statement is true or false.

Children with PKU cannot metabolize an amino acid called phenylalanine. As a result, the substance builds up in their bodies and

a. causes them to be overweight. b. causes night blindness. c. causes hemophilia. d. impairs central nervous system functioning.