In the New York Longitudinal Study (NYLS), the largest group of babies was classified as "difficult."

A father's absence at birth correlates with longer labors, C-sections, and other complications

Indicate whether this statement is true or false.

Four-year-old Kevin is in love with his mother, and wants very much to get rid of his father so that he can have his mother all to himself. According to Freud, Kevin is undergoing:

a. a regression. b. the genital stage. c. an Oedipus complex. d. all of the above