In the question below is given a statement followed by two assumptions numbered I and II. Consider the statement and decide which of the assumption is implicit.
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 life.
II. 50 per cent of the measurable intelligence at age of 17 is already predictable by the age of four.