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      Higher scores on the Mini-K life history battery are associated with greater disgust sensitivity on the three domains of disgust scale


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          Disgust is a universal emotion that promotes protective behaviors in three distinct domains: sexual, moral, and pathogenic. There is considerable individual variation in sensitivity to disgust, and past research suggests individuals with slower life history strategies are more sensitive to stimuli that provoke pathogen and moral disgust. We hypothesized that such individuals would also be more sensitive to disgust in a sexual context. Two hundred seventyseven participants completed the Mini-K Life History Battery and the Three Domains of Disgust Scale. A slower life history strategy (as reflected by a higher Mini-K score) was associated with increased sensitivity to sexual, pathogen, and moral disgust. Removal of items with potential overlap did not affect the significance of the results. These findings suggest that the K-factor of life history is associated with increased disgust sensitivity across all three domains.

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          Microbes, mating, and morality: individual differences in three functional domains of disgust.

          What is the function of disgust? Whereas traditional models have suggested that disgust serves to protect the self or neutralize reminders of our animal nature, an evolutionary perspective suggests that disgust functions to solve 3 qualitatively different adaptive problems related to pathogen avoidance, mate choice, and social interaction. The authors investigated this 3-domain model of disgust across 4 studies and examined how sensitivity to these functional domains relates to individual differences in other psychological constructs. Consistent with their predictions, factor analyses demonstrated that disgust sensitivity partitions into domains related to pathogens, sexuality, and morality. Further, sensitivity to the 3 domains showed predictable differentiation based on sex, perceived vulnerability to disease, psychopathic tendencies, and Big 5 personality traits. In exploring these 3 domains of disgust, the authors introduce a new measure of disgust sensitivity. Appreciation of the functional heterogeneity of disgust has important implications for research on individual differences in disgust sensitivity, emotion, clinical impairments, and neuroscience. (PsycINFO Database Record (c) 2009 APA, all rights reserved).
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            Timing of pubertal maturation in girls: an integrated life history approach.

            Life history theory provides a metatheoretical framework for the study of pubertal timing from an evolutionary-developmental perspective. The current article reviews 5 middle-level theories--energetics theory, stress-suppression theory, psychosocial acceleration theory, paternal investment theory, and child development theory--each of which applies the basic assumptions of life history theory to the question of environmental influences on timing of puberty in girls. These theories converge in their conceptualization of pubertal timing as responsive to ecological conditions but diverge in their conceptualization of (a) the nature, extent, and direction of environmental influences and (b) the effects of pubertal timing on other reproductive variables. Competing hypotheses derived from the 5 perspectives are evaluated. An extension of W. T. Boyce and B. J. Ellis's (in press) theory of stress reactivity is proposed to account for both inhibiting and accelerating effects of psychosocial stress on timing of pubertal development. This review highlights the multiplicity of (often unrecognized) perspectives guiding research, raises challenges to virtually all of these, and presents an alternative framework in an effort to move research forward in this arena of multidisciplinary inquiry.
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              The influence of mortality and socioeconomic status on risk and delayed rewards: a life history theory approach.

              Why do some people take risks and live for the present, whereas others avoid risks and save for the future? The evolutionary framework of life history theory predicts that preferences for risk and delay in gratification should be influenced by mortality and resource scarcity. A series of experiments examined how mortality cues influenced decisions involving risk preference (e.g., $10 for sure vs. 50% chance of $20) and temporal discounting (e.g., $5 now vs. $10 later). The effect of mortality depended critically on whether people grew up in a relatively resource-scarce or resource-plentiful environment. For individuals who grew up relatively poor, mortality cues led them to value the present and gamble for big immediate rewards. Conversely, for individuals who grew up relatively wealthy, mortality cues led them to value the future and avoid risky gambles. Overall, mortality cues appear to propel individuals toward diverging life history strategies as a function of childhood socioeconomic status, suggesting important implications for how environmental factors influence economic decisions and risky behaviors. 2011 APA, all rights reserved

                Author and article information

                Evolution, Mind and Behaviour
                Akadémiai Kiadó
                December 2018
                : 16
                : 1
                : 37-51
                [ 1 ] University of Baltimore
                Author notes

                Corresponding author: Michael J. Frederick, Division of Applied Behavioral Sciences, University of Baltimore, Baltimore, MD 21201. E-mail: mfrederick@ 123456ubalt.edu

                © 2018 The Authors

                This is an open-access article distributed under the terms of the Creative Commons Attribution- NonCommercial 4.0 International License (https://creativecommons.org/licenses/by-nc/4.0/), which permits unrestricted use, distribution, and reproduction in any medium for non-commercial purposes, provided the original author and source are credited, a link to the CC License is provided, and changes – if any – are indicated.

                : 15 March 2018
                Page count
                Pages: 15
                Original article

                Evolutionary Biology,Medicine,Psychology,Educational research & Statistics,Social & Behavioral Sciences
                sexual disgust,life history, disgust sensitivity,pathogen disgust,K-factor


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