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    If between-group selection pressure is sufficiently stron... — Carmelics
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    Challenges→For altruism to evolve, recipients of altruistic actions must have a greater than average probability of being altruists themselves.

    If between-group selection pressure is sufficiently strong, altruistic traits spread even when individual recipients are no more likely than average to be altruists themselves.

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    1 reason for
    1 reason against

    Reasons For

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    Reason for
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    • 1.Groups with altruistic members survive resource scarcity better than selfish groups, creating fitness advantages independent of individual altruist frequency.
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    • 2.Between-group competition can eliminate entire groups before within-group selection against altruists significantly reduces their prevalence in surviving groups.
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    • 3.Altruistic traits can hitchhike with group identity markers, spreading via cultural conformity regardless of recipients' individual predispositions.
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    Reasons Against

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    Reason against
    ?
    • 1.Within-group selection against altruists operates continuously and faster than between-group selection, making equilibrium altruism rates predictable from individual incentives alone.
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    • 2.If recipients aren't altruists, they have no incentive to reciprocate or maintain altruistic norms, causing rapid trait collapse within groups over generations.
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    • 3.Empirical human data shows altruism correlates with recipient altruism rates, contradicting the claim's prediction of selection independent of recipient type.
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    Virtue Ethics1 linkedMoral Responsibility1 linked

    Related

    Altruistic traits can hitchhike with group identity markers, spreading via cultu...Between-group competition can eliminate entire groups before within-group select...Empirical human data shows altruism correlates with recipient altruism rates, co...For altruism to evolve, recipients of altruistic actions must have a greater tha...
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    Groups with altruistic members survive resource scarcity better than selfish gro...If recipients aren't altruists, they have no incentive to reciprocate or maintai...Within-group selection against altruists operates continuously and faster than b...

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