Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 45 for “"Parental investment"”.
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Parental investment and physical aggression among males
… competition) can be understood in terms parental investment theory. This suggests that the higher-investing sex (usually female) will tend to become a more limiting resource for the lower investing sex. In bi-parentally investing species (e.g. humans), male parental investment tends to be …
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Essays on migration, entrepreneurship, and parental investment
… studies migration, entrepreneurship, and parental investment. Migration for economic opportunity may both benefit and burden left-behind family members. Chapter 1 examines how migration affects the mother-child and brother-sister distributions of time in market work, agricultural work, …
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Transmitting Advantage: Maternal Education Differences in Parental Investment Activities
… reproduction of inequality. This study links parental time investments in children to their verbal achievement using data from the 1997 and 2002 waves of the nationally representative Panel Study of Income Dynamics Child Development Supplement. Consistent with existing theoretical frameworks, …
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PATERNAL ATTRACTIVENESS AND PARENTAL INVESTMENT STRATEGIES IN SONG SPARROWS MELOSPIZA MELODIA
… both females and males may adjust mating and parental investment tactics in response to the perceived attractiveness of their social mate. I examined how mate attractiveness (based on song complexity and genetic dissimilarity) affects female mating tactics, offspring sex allocation, offspring …
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Parental Investment and Male Ornamentation in the Eastern Bluebird (Sialis Sialis)
… is willingness to invest in offspring. In birds, investment is usually measured as the rate at which nestlings are provisioned. However there are other forms of parental investment. The purpose of this study is to quantify the relationship between two measures of parental investment and their …
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Adapting to Parental Investment Uncertainty? The Role of Personality and Puberty
Early childhood experiences of parental investment uncertainty appear to influence later dating and sexuality in girls. Research has suggested that this relationship is mediated by the timing of pubertal development. This thesis investigated whether personality traits also mediated this …
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The behavioural ecology of modern families: a longitudinal study of parental investment and child development
… the importance of sibling competition for parental resources and adaptive patterns of biased parental care. In contrast, modern human families are rarely considered by behavioural ecologists, with increases in wealth generally considered to decrease the importance of resource dilution …
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Merchant mothers and fishermen fathers : parental investment and subsistence work among the boat-dwelling Shodagor of rural Bangladesh
This dissertation addresses three general research questions. First, what are the socioecological conditions that lead Shodagor families to employ particular strategies in order to balance subsistence work and childcare? Second, why do Shodagor men and women pursue particular occupational …
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The Roles of Social Status, Maternal Stress, and Parental Investment in Modulation of Hypothalamic-Pituitary-Interrenal Axis Function in Teleost Fish
… to a hypoactive HPI axis in males during early parental care as a mechanism for resistance to stress in these fish. Collectively, the results of this thesis emphasize the adaptive plasticity of the HPI axis. Activity of the HPI axis in teleost fish can be modulated by the individual’s experience …
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Parent-Offspring Conflict and the Allocation of Parental Investment in the Feral Pigeon (Columba Livia) (Nestling Growth, Concorde Fallacy, Food Limitation)
… responding to offspring demands when costs of investment are relatively high. This hypothesis was tested by giving a group of birds food mixed with pebbles which increased the adult birds' foraging time. Fathers did not feed offspring with playbacks more often than controls in the group with …
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Environmental Effects on the Reproductive Ecology of a Passerine Bird
… rates may prevent males from decreasing their parental investment in the current brood.
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Family Conflicts over Parental Care in the Blue Tit, Cyanistes caerleus.
Current research into parental investment has focused on the influence of conflicts of interest between family members. This thesis examines how these conflicts affect parental investment into individual offspring within broods of blue tits, Cyanistes caeruleus. Experimental work mid-way through …
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Essays in Economics of Education
… perceive the uncertainty of the returns to investment of the child development process and how this uncertainty impacts their actual investment in children. To do so, I develop an elicitation procedure of parental subjective belief distributions about the technology of skill production and …
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Solitary, reproductive, and parental behavior of maned wolves (Chrysocyon brachyurus)
… wolf is an interesting species for studying parental investment theory. I studied maned wolves in U.S. zoos and in Emas National Park, Brazil to gather information necessary for developing conservation plans while simultaneously testing many parental care theories. High pup mortality, often …
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Essays on dynamic public policy.
… children's outcomes depend on their parents' investments. This paper develops an intergenerational framework in which adult outcomes are determined by parental investment, analyzes Pareto efficient allocations, and derives implications for policy. There are two key frictions: first, parental …
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Three Essays On Early Childhood Development In Chile
… literature has emphasized the role that parental investment and early life conditions play on human capital formation. Still, there is little evidence on the mechanisms driving such dependence. This dissertation examines potential mechanisms explaining the relationship between parental …
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Patterns of physical attractiveness, self-rated attractiveness and sexual selection strategy in women
… role of non physical factors (birth order and parental investment) was investigated. In Study lit was found that physical attractiveness (a composite of waist-to-hip ratio, body mass index and facial attractiveness) was not related to self-rated attractiveness, or the sexual attractiveness or …
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