Indeed, it is the within-group differences that were most telling.    From Wordnik.com.  [The Obama Apperception Test: What your vote (and the reasons behind it) says about your unconscious needs] Reference

With random pair formation, within-group selection trumps between-group selection.    From Wordnik.com.  [David Sloan Wilson: Truth and Reconciliation for Group Selection XII: Multilevel Selection Theory, Salsa Style] Reference

In both cases, altruism evolves because between-group selection trumps within-group selection.    From Wordnik.com.  [David Sloan Wilson: Truth and Reconciliation for Group Selection XII: Multilevel Selection Theory, Salsa Style] Reference

Perhaps they or someone else will find a within-group advantage for bravehearts in the future.    From Wordnik.com.  [David Sloan Wilson: Truth and Reconciliation for Group Selection XV: Group Selection in the Wild] Reference

Instead, it stands for the importance of between-group selection relative to within-group selection.    From Wordnik.com.  [David Sloan Wilson: Truth and Reconciliation for Group Selection XIII: Hamilton Speaks] Reference

I think conservatives are also in a double bind when it comes to the within-group and external expression of views related to race.    From Wordnik.com.  [Unfunny = Racist] Reference

Many models are required to support the sweeping claim that "between-group selection is invariably weak, compared to within-group selection.".    From Wordnik.com.  [David Sloan Wilson: Truth and Reconciliation for Group Selection VIII: Anatomy of a Model] Reference

That is because within-group inequality, by definition, cannot be explained with reference to education, since it occurs among people with the same basic characteristics.    From Wordnik.com.  [Winner-Take-All Politics] Reference

And within-group inequality accounts for a major part of the rise in inequality since the 1970s, especially at the very top—where almost everyone has a good education.38.    From Wordnik.com.  [Winner-Take-All Politics] Reference

When we focus on the original problem, there is near universal agreement among theoretical biologists that between-group selection can successfully counter within-group selection.    From Wordnik.com.  [David Sloan Wilson: Truth and Reconciliation for Group Selection IX: Anatomy of a Model (continued)] Reference

Instead, there are only the somewhat polyglot collective intentions within agents, with some degree of within-group communication and shaping about their shared collective purposes.    From Wordnik.com.  [Acting as a group] Reference

This prevents within-group selection of selfish traits from overwhelming between-group selection of altruistic traits, and results in group-selected traits descending through complex pathways.    From Wordnik.com.  [Silly Billy on Silly books - The Panda's Thumb] Reference

All evolutionary theories of social behavior include the original problem and solve the problem only by identifying factors that enable between-group selection to overcome within-group selection.    From Wordnik.com.  [David Sloan Wilson: Truth and Reconciliation for Group Selection XII: Multilevel Selection Theory, Salsa Style] Reference

Inequality is dramatically higher in the United States not because of greater skill gaps or greater returns to education, but because within-group inequality is greater than it is in other rich nations.    From Wordnik.com.  [Winner-Take-All Politics] Reference

For Wilson, individual selection means within-group selection, so to determine which strategy is favoured by individual selection, one must compare the fitnesses of W and N types within a group, or pair.    From Wordnik.com.  [Biological Altruism] Reference

In nature, within-group relatedness is highly variable.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

Maybe it is some sort of tribal behaviour that reinforces within-group bonding.    From Wordnik.com.  [ScienceBlogs Channel : Life Science] Reference

The mean within-group maps were merely used for visualizing the ReHo-reflected activity.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

Mere groups turn into organisms when between-group selection trumps within-group selection.    From Wordnik.com.  [ScienceBlogs Channel : Life Science] Reference

Another argument is that most human genetic variation is within-group, rather than differences between groups.    From Wordnik.com.  [2 Blowhards] Reference

… Our reactions are … Exactly as one would expect if our psychology evolved to promote within-group cooperation.    From Wordnik.com.  [Dangerous Intersection] Reference

The within-group advantage for the defenders of the pride is that they will be able to take it a little easier as they grow older.    From Wordnik.com.  [Scientific Blogging] Reference

Although Neanderthals must have had very high levels of within-group cooperation, they were no angels: they had a weakness for long pork.    From Wordnik.com. Reference

Increasing within-group cohesion should also promote the group efficiency in between-group conflicts and intensify cultural group selection.    From Wordnik.com.  [FuturePundit] Reference

Because of group efficiency in hunting and the high degree of within-group cooperation, membership in a Neanderthal band or tribe was valuable.    From Wordnik.com. Reference

Thus, irrespective of the relative strengths of within-group versus between-group selection, individuals are predicted to maximize their inclusive fitness.    From Wordnik.com.  [ScienceBlogs Channel : Life Science] Reference

In most primate species, including our closest ancestors, intense within-group competition limits the opportunities for cooperation among members of the group.    From Wordnik.com.  [ScienceBlogs Channel : Life Science] Reference

Prosocial behaviors can evolve by a process of between-group selection, as long as this process is stronger than the opposing process of within-group selection.    From Wordnik.com.  [The Full Feed from HuffingtonPost.com] Reference

Also increasing were the abilities to keep track of within-group social interactions, to remember friends and their allies and enemies, and to attract and use allies.    From Wordnik.com.  [FuturePundit] Reference

When between-group selection sufficiently dominates within-group selection, the group becomes a super-organism and the lower-level organisms acquire the status of organs.    From Wordnik.com.  [ScienceBlogs Channel : Life Science] Reference

The issues remain momentous when we decide that between-group selection is important after all and can even dominate within-group selection in the case of major transitions.    From Wordnik.com.  [ScienceBlogs Channel : Life Science] Reference

Likewise, the group-adaptation approach requires the assumption that within-group selection is negligible14, which may be valid for some cases, but in general is not justified.    From Wordnik.com.  [ScienceBlogs Channel : Life Science] Reference

In contrast, social groups appear to be designed to maximize their fitness only when this coincides with the maximization of inclusive fitness (when within-group selection is negligible).    From Wordnik.com.  [ScienceBlogs Channel : Life Science] Reference

So, if you’ve experienced within-group prejudice, you have a good clue.    From Wordnik.com.  [Waiting for Sweeny] Reference

Perhaps they or someone else will find a within-group advantage for bravehearts in the future. ".    From Wordnik.com.  [Scientific Blogging] Reference

= 0.05, corrected), the within-group results for the Other >.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

(all p > 0.10), a within-group paired t-test indicated a significant difference between R-T+ and R+T+ (.    From Wordnik.com.  [PLoS Biology: New Articles] Reference