# Decision-making
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## From the Real GENERATIVE library
*Decision-making — placed from the Real G.E.N.E.R.A.T.I.V.E. course library (Engineering room). Source: Wikimedia Commons (via Wikipedia article media). [Details & license](https://commons.wikimedia.org/wiki/File:LampFlowchart.svg).*
> In psychology, decision-making (also spelled decision making and decisionmaking) is regarded as the cognitive process resulting in the selection of a belief or a course of action among several possible alternative options. It could be either rational or irrational. ([Wikipedia](https://en.wikipedia.org/wiki/Decision-making))
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> Summary stub · part of [[System]] · [Wikipedia source](https://en.wikipedia.org/wiki/Decision-making)
## Summary
Decision-making is the cognitive process of selecting a belief or course of action from among multiple possible alternatives. It is a reasoning process grounded in assumptions about values, preferences, and beliefs held by the decision-maker. Every decision involves evaluating [[Information|information]], considering constraints, weighing outcomes, and committing to a choice. Decision-making can be rational (following logical principles and probability) or irrational (influenced by cognitive biases, emotions, or incomplete information). Understanding decision-making is essential to systems analysis because how systems make decisions—whether through individual psychology, organizational procedures, algorithmic rules, or collective processes—fundamentally shapes system behavior and outcomes.
## Key points
- Cognitive process of selecting among alternatives based on values and beliefs
- Can be rational or irrational, individual or collective, explicit or implicit
- Influenced by information [[Availability|availability]], time pressure, cognitive biases, and emotional states
- Central to understanding behavior in organizations, economies, and social systems
- Understanding decision-making is essential to designing and predicting system behavior
## Relation to System
Systems make decisions through their design, rules, and processes. Understanding how individuals and organizations make decisions is crucial to understanding system behavior. Decision-making represents the cognitive substrate that translates information and values into action, making it a critical mechanism through which systems generate behavior and adapt to their environment.
## Sources
- [Decision-making — Wikipedia](https://en.wikipedia.org/wiki/Decision-making)
Back to [[System]]
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## Semiotic profile
> *The semiotic universals this article invokes, machine-derived from the crossref — **unverified** (born so). Populated 2026-07-06 for the Systems room.*
**Universals (4):** 🟡 system (13) · 🟡 information (5) · 🟢 pressure (1) · 🟢 probability (1)
**Enter by sign:** Systems Semiotic Gateway · Alphabetum · Icon Registry · ← Systems Portal
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## Wikipedia : Wikitube
**Strict pair:** [Wikipedia](https://en.wikipedia.org/wiki/Decision-making) : [Wikitube](https://en.wikitube.io/wiki/Decision-making)
## Previous hub tags
Tree parents: [[Decision_theory]] · [[Game_theory]] · [[Information_theory]] · [[Operations_research]] · [[Reliability_engineering]] · [[System_dynamics]] · [[Systems_engineering]].
Legacy hubs: none.
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*Sources: 1 legacy note. Minted wave 1, 2026-07-30 (v1.6 order).*