A nail-biting adult may be said, according to Freudian psychoanalytic theory, to be fixated during which stage of development?
a. oral c. anal
b. phallic d. genital
Question 2
In comparison with an original study, a replication study usually:
A) tests a new hypothesis by making use of technology that was not available in the past
B) makes changes in operational definitions without changing the constructs being studied
C) reveals potential problems such as restriction of range
D) helps a researcher to identify new predictors of a phenomenon