Conceptually, it is argued that individual differences in need for cognitiv
e closure, which stem from Kruglanski's theory of lay epistemics, provides
a framework for studying various aspects of consumer judgment and decision
making. However, methodologically, the need for cognitive closure scale has
not demonstrated good measurement properties and has generated controversy
. To improve the measurement quality of the scale for individual difference
s in the need for cognitive closure, the authors carry out a large-scale da
ta collection and measure validation exercise. To demonstrate the usefulnes
s of this individual difference variable in a consumer context, the authors
test hypotheses concerning consumer search behavior for cars and televisio
ns. The results are encouraging and provide initial support for the utility
of this framework in consumer judgment and decision making. (C) 2000 John
Wiley & Sons, Inc.