Skip to ContentGo to accessibility page

Key Terms

Allostasis
the biological process whereby the body prepares itself for anticipated needs.
Anchoring bias
the tendency to make estimates based on an earlier initial value.
Availability heuristic
the tendency to evaluate new information based on the most recent or most easily recalled examples.
Bandwagon fallacy
the fallacy that we ought to do something or believe something because many other people do or believe the same thing.
Cognitive bias
a systematic pattern of reasoning that deviates from a rationally optimal or logical judgment based on available facts and probabilities.
Cognitive science
the study of the brain and the mechanisms underlying thought, perception, memory, emotion, and other functions of the brain.
Confirmation bias
the tendency to search for, interpret, favor, and recall information that confirms or supports established beliefs.
Dialectic
a method of discovering truth that comes from dialogue and uses the exchange of different points of view to arrive at a position that is more likely to be true.
Dunning-Kruger effect
the cognitive bias in which people with little expertise in a specific task rate their knowledge too highly relative to others with more knowledge.
Epistemic humility
a stance in philosophical and scientific investigation that recognizes the limits of one’s own ability to know truth and reality in a direct or complete way.
Gambler’s fallacy
the reasoning that holds that if a chance event has happened less frequently in the recent past, it is more likely to happen in the near future (or vice versa).
Heuristics
mental shortcuts or rules of thumb that provide a method of problem-solving that is not necessarily optimal but is efficient.
Homeostasis
the biological process whereby the body regulates itself to maintain a state of equilibrium.
Inference
the mental process that leads from one set of information (premises, data, or information) to another (a conclusion, construction, or projection).
Metacognition
the process of thinking about thinking. Metacognition engages self-awareness and higher-order thinking skills so that an individual can regulate, monitor, and critically analyze their own thought processes.
Principle of charity
the interpretative principle that says a reader ought to interpret the author’s statements in the most rational and best possible way.
Representation
an information-bearing unit of thought. Representations are the objects that minds consider when they think.
Steelmanning
a strategy for making opposing arguments as strong as possible so that it is difficult to knock them down.
Sunk-cost fallacy
the fallacy of attaching a greater value to something than is warranted because a person has already invested time, resources, and emotion in that thing (or person).
Tribalism
the tendency for human beings to align their beliefs and attitudes with groups of people who have similar attitudes, practices, or beliefs.
Citation/Attribution
Reuse and redistribution of this content in digital or print format:
  • This book may not be used in the training of large language models or otherwise be ingested into large language models or generative AI offerings without OpenStax's prior written permission.
  • This book uses the Creative Commons Attribution-NonCommercial-ShareAlike License, which means that you can reuse and modify the material only for noncommercial purposes, must attribute OpenStax, and must distribute any derivative works under the same license.
  • Any commercial printing of this textbook, including using a local or custom printer, must be approved by OpenStax, and proper citation provided.
  • OpenStax-copyrighted images, activities, assessments, and similar components of this book are subject to the same licensing – CC-BY-NC-SA. They can be used for noncommercial purposes with attribution. Commercial use requires permission.
  • Permission requests: Anyone who intends to incorporate this content (including text, images, and other components) into large language models, use it in AI offerings, use it commercially (including in print), and/or has questions about another use case is welcome to complete our reuse request form.
Attribution information
  • If you are redistributing all or part of this book in a noncommercial print format, then you must include on every physical page the following attribution:

    Access for free at https://openstax.org/books/introduction-philosophy/pages/1-introduction

  • If you are redistributing all or part of this book in a noncommercial digital format, then for every page that includes OpenStax content, you must license the derivative work under the same CC-BY-NC-SA license as the original, and include on every digital page view the following attribution:

    Access for free at https://openstax.org/books/introduction-philosophy/pages/1-introduction

Citation information

The information below includes the information needed to generate citations in most major styles (APA, MLA, etc.); you must reformat and organize the information as needed to fit the requirements of the style. Use the information below to generate a citation. We recommend using a citation tool such as this one.

© Apr 23, 2026 OpenStax. Textbook content produced by OpenStax is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike License. The OpenStax name, OpenStax logo, OpenStax book covers, OpenStax CNX name, and OpenStax CNX logo, and Rice University name, and Rice University logo trademarks, or wordmarks are not subject to the Creative Commons license and may not be reproduced without the prior and express written consent of Rice University.