Evidence-guided ethical action · Organized movement since the late 2000s

Effective Altruism

Uses evidence and explicit comparison to decide how limited resources can help others more effectively. Participants work on different causes and disagree about priorities, methods, and the role of uncertainty.

Reference boundary: Not identical with utilitarianism, longtermism, or any one organization. General outcome-oriented answers do not establish movement membership.

Foundational doctrines

Disagreement and variation

Cost-effectiveness can miss political power, dignity, local knowledge, or benefits that are difficult to quantify. Comparing options is useful without establishing that every moral concern belongs on one numerical scale.

Source and historical context

Numerical positions in the interactive model are editorial reference estimates, not scientifically validated measurements.

Related traditions

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