Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleDouble trouble: An evolutionary cut at the dichotomy pie.AuthorsBradshaw, John L.; Nettleton, Norman C.PublicationBehavioral & Brain Sciences, 1981, Vol 4, Issue 1, p79ISSN0140-525XPublication typeArticleDOI10.1017/S0140525X00007743