kin selection
An Evolutionary Interpretation of Gift-giving Behavior in Modern Norwegian Society
by: shinta, 20 pagesWe have studied gift giving at Christmas among 50 graduate students in Norway. The students invested more the closer the coefficient of relatedness. However, partners ranked highest, which is natural ...
Facial resemblance exaggerates sex-specific jealousy-based decisions
by: shinta, 9 pagesSex differences in reaction to a romantic partner’s infidelity are well documented and are hypothesized to be attributable to sex-specific jealousy mechanisms which are utilized to solve ...
Persistent Misunderstandings of Inclusive Fitness and Kin Selection: Their Ubiquitous Appearance in Social Psychology Textbooks
by: shinta, 14 pagesInclusive fitness theory and kin selection theory are among the most recognizable theories associated with evolutionary biology and psychology—they are also among the most widely ...
Sex Differences in the Value of Parents versus Same-Sex Peers
by: shinta, 16 pagesThe current research examined the hypothesis that males derive greater benefits than females do from cooperation with same-sex peers versus parents. In Study 1, 194 children, early ...
Dead or Alive? Knowledge about a Sibling's Death Varies by Genetic Relatedness in a Modern Society
by: shinta, 9 pagesUsing a large sample of non-institutionalized individuals from the Netherlands (n = 7610), we examined the influence of relatedness on an individual’s knowledge about whether their ...
Biologically Costly Altruism Depends on Emotional Closeness among Step but Not Half or Full Sibling
by: shinta, 15 pagesWe studied altruistic behaviors of varying biological cost (high, medium, and low) among siblings of varying genetic relatedness (full, half, and step). In agreement with inclusive ...
Sailer, Steve. "Where Dawkins Fears To Tread- Ethnic Nepotism And The Reality Of Race." VDare, Oct. 3, 2004
by: Jason, 6 pagesSailer, Steve. "Where Dawkins Fears To Tread- Ethnic Nepotism And The Reality Of Race." VDare, Oct. 3, 2004
