Increased investment in the defence of high-value offspring by a superorganism
Sign Up to like & getrecommendations! Published in 2018 at "Animal Behaviour"
DOI: 10.1016/j.anbehav.2018.07.008
Abstract: Parental investment theory predicts that parents should adjust their investment in offspring defence according to offspring value (i.e. the probability they will contribute to the next generation). Although previous research has shown this offspring value… read more here.
Keywords: superorganism; defence; theory; investment ... See more keywords
Long-term mating positively predicts both reproductive fitness and parental investment.
Sign Up to like & getrecommendations! Published in 2021 at "Journal of biosocial science"
DOI: 10.1017/s0021932021000407
Abstract: Empirical data on the relations between mating and reproductive success are rare for humans, especially for industrial and post-industrial populations. Existing data show that mating (and especially long-term mating) can be beneficial for fitness, especially… read more here.
Keywords: fitness; parental investment; long term; term mating ... See more keywords
Reformulation of Trivers-Willard hypothesis for parental investment.
Sign Up to like & getrecommendations! Published in 2022 at "Communications biology"
DOI: 10.1038/s42003-022-03286-z
Abstract: The Trivers-Willard hypothesis (TWH) plays a central role in understanding the optimal investment strategies to male and female offspring. Empirical studies of TWH, however, yielded conflicting results. Here, we present models to predict optimal comprehensive… read more here.
Keywords: parental investment; willard hypothesis; investment; sex ... See more keywords
Parental investment in Tibetan populations does not reflect stated cultural norms
Sign Up to like & getrecommendations! Published in 2018 at "Behavioral Ecology"
DOI: 10.1093/beheco/arx134
Abstract: &NA; In this paper, we examined both stated norms of sex preference and actual sex‐biases in parental investment in a Tibetan pastoralist society. We collected detailed demographic data on infant mortality, infant feeding, the length… read more here.
Keywords: investment tibetan; investment; parental investment; cultural norms ... See more keywords
Sibling Achievement, Sibling Gender, and Beliefs about Parental Investment: Evidence from a National Survey Experiment
Sign Up to like & getrecommendations! Published in 2019 at "Social Forces"
DOI: 10.1093/sf/soy095
Abstract: Abstract:When siblings have different characteristics—such as different achievement or different gender—how should parents invest in their education? Although many studies have examined issues of parental investment using behavioral data, this research is often hindered by… read more here.
Keywords: parental investment; gender; survey experiment; achievement gender ... See more keywords
Sex allocation and sex‐specific parental investment in an endangered seabird
Sign Up to like & getrecommendations! Published in 2017 at "Ibis"
DOI: 10.1111/ibi.12457
Abstract: Biased offspring sex ratio is relatively rare in birds and sex allocation can vary with environmental conditions, with the larger and more costly sex, which can be either the male or female depending on species,… read more here.
Keywords: specific parental; investment; sex allocation; parental investment ... See more keywords