I have proposed an additional criterion for universal status - that of (relative) continuity through time (Adamopoulos, 1988). To the extent possible, we must be able to show that a psychological universal has been present throughout human history. It may have undergone considerable change over time, but there ought to be some core elements that reflect an underlying consistency in meaning. For example, the construct "intimacy" may have undergone considerable change in its meaning over time (including in the manner in which it has been manifested throughout human history), but some fundamental notion that people have always had a need for interpersonal closeness must surely be evident in the human record if we are to consider the construct a "universal" (and, hence, a component of what some might call "human nature").