Gaissmaier, W., Schooler, L. J., & Gigerenzer, G. (2005). Receptive memory in judgment and decision making. In M.-L. Käsermann & A. Altorfer (Eds.), Über Lernen: Ein Gedankenaustausch (pp. 67–79). EditionSolo.

Gigerenzer, G. (2005). Is the mind irrational or ecologically rational? In F. Parisi & V. L. Smith (Eds.), The law and economics of irrational behavior (pp. 37–67). Stanford University Press.

Gigerenzer, G., & Kurzenhäuser, S. (2005). Fast and frugal heuristics in medical decision making. In R. Bibace, J. D. Laird, & K. L. Noller Valsiner J. (Eds.), Science and medicine in dialogue: Thinking through particulars and universals (pp. 3–15). Praeger.

Hoffrage, U., Hertwig, R., & Gigerenzer, G. (2005). Die ökologische Rationalität einfacher Entscheidungs- und Urteilsheuristiken [The ecological rationality of simple decision and judgment heuristics]. In H. Siegenthaler (Ed.), Rationalität im Prozess kultureller Evolution: Rationalitätsunterstellungen als eine Bedingung der Möglichkeit substantieller Rationalität des Handelns (pp. 65–89). Mohr/Siebeck.

Hoffrage, U., Kurzenhäuser, S., & Gigerenzer, G. (2005). Understanding the results of medical tests: why the representation of statistical information matters. In R. Bibace, J. D. Laird, & K. L. Noller Valsiner J. (Eds.), Science and medicine in dialogue: Thinking through particulars and universals (pp. 83–98). Praeger.

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). Oxford University Press.

Gigerenzer, G. (2004). Fast and frugal heuristics: The tools of bounded rationality. In D. J. Koehler & N. Harvey (Eds.), Blackwell handbook of judgement and decision making (pp. 62–88). Blackwell Publishing.

Gigerenzer, G. (2004). Striking a blow for sanity in theories of rationality. In M. Augier & J. G. March (Eds.), Models of a man: Essays in memory of Herbert A. Simon (pp. 389–409). MIT Press.

Gigerenzer, G., Krauss, S., & Vitouch, O. (2004). The null ritual: What you always wanted to know about significance testing but were afraid to ask. In D. Kaplan (Ed.), The Sage handbook of quantitative methodology for the social sciences (pp. 391–408). Sage.

Hoffrage, U., & Gigerenzer, G. (2004). How to improve the diagnostic inferences of medical experts. In E. Kurz-Milcke & G. Gigerenzer (Eds.), Experts in science and society (pp. 249–268). Plenum Publishers.

Kurz-Milcke, E. M., Gigerenzer, G., & Hoffrage, U. (2004). Representations of uncertainty and change: Three case studies with experts. In K. Smith, J. Shanteau, & P. Johnson (Eds.), Psychological investigations of competence in decision making (pp. 188–225). Cambridge University Press.

Marsh, B., Todd, P. M., & Gigerenzer, G. (2004). Cognitive heuristics: Reasoning the fast and frugal way. In R. J. Sternberg & J. P. Leighton (Eds.), The nature of reasoning (pp. 273–287). Cambridge University Press.

Gigerenzer, G. (2003). Where do new ideas come from? A heuristics of discovery in the cognitive sciences. In M. C. Galavotti (Ed.), Observation and experiment in the natural and social sciences (pp. 99–139). Kluwer Academic Publishers.

Gigerenzer, G. (2003). The adaptive toolbox and life span development: Common questions? In U. M. Staudinger & U. Lindenberger (Eds.), Understanding human development: Dialogues with lifespan psychology (pp. 423–435). Kluwer.

Gigerenzer, G. (2002). In the year 2054: Innumeracy defeated. In P. Sedlmeier & T. Betsch (Eds.), Etc.: Frequency processing and cognition (pp. 55–66). Oxford University Press.

Gigerenzer, G. (2002). The adaptive toolbox: Towards a Darwinian rationality. In L. Bäckman & C. Von Hofsten (Eds.), Cognitive, biological, and health perspectives (pp. 481–505). Psychology Press.

Gigerenzer, G. (2002). Intelligente Heuristiken: Rationalität aus darwinistischer Sicht [Intelligent heuristics: Rationality from a Darwinistic perspective]. In C. Engel, J. Halfmann, & M. Schulte (Eds.), Wissen - Nichtwissen - Unsicheres Wissen (pp. 161–189). Nomos Verlag.

Gigerenzer, G. (2001). Der unmündige Patient [The uninformed patient]. In K. M. Michel, I. Karsunke, & T. Spengler (Eds.), Der laufende Schwachsinn (pp. 132–144). Rowohlt.

Gigerenzer, G. (2001). Ideas in exile: The struggles of an upright man. In K. R. Hammond & T. R. Stewart (Eds.), The essential Brunswik: Beginnings, explications, applications (pp. 445–452). Oxford University Press.

Gigerenzer, G. (2001). Digital computer: Impact on the social sciences. In International Encyclopedia of the Social and Behavioral Sciences (Vol. 6, pp. 3684–3688). Elsevier Science.