His research interests ranged widely, including African-American family structure, personality, color perception, and mathematical models for reconstructing mitochondrial lineages. A unifying theme in much of his work, however, is the problem of identifying and describing cultural models (also known as folk models, or the often implicit, culturally shared ways that people assume the world works); in recent years he was particularly concerned with conceptualizing cultural through schema theory.[2]
One problem that D'Andrade addressed was the challenge of conceptualizing how people reason in their culturally situated worlds. In one set of studies, individuals may do very poorly on abstract tests of formal logic or mathematics, but are quite capable of reasoning accurately and quickly about real-world situations with which they are familiar, and which under formal logic are ostensibly the same task. As Gardner summarizes the work of D'Andrade and his colleagues: "we can better understand the logical reasoning of humans not by imputing to them any formal logical calculus but by attending to two factors. The first has to do with content: the greater the familiarity and the richer the relevant schemata which are available, the more readily can one solve a problem. The second attribute has to do with form: one succeeds on problems to the extent that one can construct mental models that represent the relevant information in an appropriate fashion and these those mental models flexibly."[3]
Within American anthropology in the 1990s, D'Andrade was known for expressing reservations about mixing moral and scientific aims:[4] "our moral models about the anthropologist's responsibilities should be kept separate from our models about the world...Otherwise the result will be very bad science and very confused morality."[5]
D'Andrade, Roy G. (1984). "Cultural meaning systems." In R. A. Shweder & R. LeVine (Eds.), Culture Theory: Essays on mind, self, and emotion (pp. 88–119). Cambridge, UK: Cambridge University Press.
D'Andrade, Roy G. (1986). "Three scientific world views and the covering law model." In D. W. Fiske & R. A. Shweder (Eds.), Metatheory in Social Science: Pluralisms and subjectivities (pp. 19 – 39). Chicago: University of Chicago Press.
D'Andrade, Roy G. (1987). "Modal responses and cultural expertise." American Behavioral Scientist, 31(2), 194 - 202.
D'Andrade, Roy G. (1989). "Culturally based reasoning." In A. R. H. Gellatly, D. Rogers & J. A. Sloboda (Eds.), Cognition and Social Worlds (pp. 132–143). Oxford, UK: Oxford University Press.
D'Andrade, Roy G. (1992). "Schemas and motivation." In R. G. D'Andrade & C. Strauss (eds.), Human Motives and Cultural Models (pp: 23–44). Cambridge, UK: Cambridge University Press.
D'Andrade, Roy G. (1995). "Moral models in anthropology." Current Anthropology, 36(3). [1]
D'Andrade, Roy G. (1995) The Development of Cognitive Anthropology. Cambridge, UK: Cambridge University Press. ISBN0-521-45976-1
D'Andrade, Roy G. (2001). "A cognitivist's view of the units debate in cultural anthropology." Cross-Cultural Research, 35(2), 242 - 257.