Which Freudian term refers to psychologically returning to a younger age when things seemed simple and safe?

According to what you learned in class, which of the following efforts have been successful in achieving their desired outcome?

a. sending letters to the parents of overweight children b. D.A.R.E (Drug Abuse Resistance Education) c. eating disorder prevention workshops presented by people who have suffered from eating disorders d. using number board games with preschool children

Which psychological dimensions of hearing correspond to the intensity, frequency, and complexity of the sound wave?

What will be an ideal response?