According to the article Coming of Age about the timing of puberty and adolescent behavior, the measure of delinquency included:

Of the theorists listed below, who helped develop the humanistic approach

a. Rogers b. Skinner c. Wundt d. Freud e. James

According to Piaget, a 6-month-old would be expected to be in which of the following stages:

a. primary circular reactions b. secondary circular reactions c. tertiary circular reactions d. preoperational stage