Raab,M.
Gigerenzer,G.

Intelligence is thought of as an assembly of “factors,” either one (g), a few, or many. This tool-driven metaphor (factor analysis) has its limits because it does not describe how cognition translates into behavior. We propose a new view of intelligence that provides the missing link in terms of heuristics. Human intelligence, in our view, is modeled by an adaptive toolbox that contains building blocks for heuristics to direct search for information, to stop search, and to make a decision. Smart search rules describe how people find the few relevant pieces of information, in memory or in the outside world. Stopping rules describe a primary function of cognition, to ignore or discard irrelevant information. Decision rules translate the information searched in memory or in the outside world into behavior, such as what profession to choose or what products to buy. The adaptive toolbox embodies an ecological, not logical, view of rational behavior. The building blocks can be recombined to form new heuristics, which are rational to the degree that they are adapted to the structure of environments in which they are employed.

Raab, M., & Gigerenzer, G. (2005). Intelligence as smart heuristics. In R. J. Sternberg & J. E. Pretz (Eds.), Cognition and intelligence: Identifying the mechanisms of the mind (pp. 188-207). Cambridge, UK: Cambridge University Press. (Full text)

Publication year	2005
Document type:	In book
Publication status:	Published
External URL:	http://library.mpib-berlin.mpg.de/ft/gg/GG_Intelligence_2005.pdf View
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