Which of the following forms of coding is described in Müller's doctrine of specific nerve energies?

Over half of adolescents begin having sexual intercourse between the ages of

A) 20 - 25 years old. B) 15 - 18 years old. C) 17 - 19 years old. D) 12 - 14 years old.

Most children develop handedness by age

a. 2. c. 5. b. 3. d. 7.