Historical
accounts of the evolution of the psychometric approach abound (e.g., see Brody, 2000
and Carroll, 1993; Horn & Noell, 1997). Prior to 1930, the usual distinction in cognitive
abilities
was verbal and quanitative (Corno, Cronbach, Kupermintz, Lohman, Mandinach, Porteus, Talbert,
& Cronbach, 2002). Key early historical developments that ultimately lead to the emergence
of
CHC theory are listed in the first two sections of Table 1. The lack of
a detailed treatment (in
this chapter) of all the developments in Table 1 is a necessary constraint and in no way diminishes
the importance of each contribution. In addition, the major steps that lead to current day CHC
theory are illustrated in Figure 1. In the next section, CHC theory is described as it
evolved
through a series of major theory-to-practice bridging events that occurred during the past two
decades. The goal is to establish an appropriate historical record of the events that transpired
and
the role that different individuals played in this process.
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1. 1. Introduction
