Directions: In the following question, a statement is followed by two assumptions I and II. You are to consider the statement and assumptions that follow, and decide which of the assumption(s) is/are implicit in the statement.

Statement:

Lack of stimulation in the first four or five years of life can have adverse consequences. Assumptions: I. A great part of the development of observed intelligence occurs in the earliest years of the life. II. 50 percent of the measurable intelligence at age 17 is already predictable by the age of four.