Which of the following is the reason that the first impression of an individual usually sticks?

Freud used the case study method for his psychological research. One of the disadvantages of this method is that:

a. he used a small and unrepresentative sample of those he studied. b. it was impossible to probe into his patients' childhood years. c. he could not find consistencies and patterns, which were important to develop his theory. d. it could not point out any particular causal factor in neurotic behavior.

__________ is a culturally determined psychological timepiece providing a sense of whether we have reached the major benchmarks of life at the appropriate time.

A. Maturation B. The intimacy-versus-isolation stage C. Postformal thought D. The social clock