{"title":"Reproductive motivation in the context of the COVID-19 epidemic: Is there evidence for accelerated life history dynamics?","authors":"Janko Međedović","doi":"10.1037/ebs0000270","DOIUrl":null,"url":null,"abstract":"One of the key life history assumptions is that mortality rates are positively associated with fast life history dynamics. Since the COVID-19 pandemic has elevated mortality rates throughout the world, we tested this assumption using reproductive motivation (desired number of children and desired age of first reproduction) as a key output measure using a repeated cross-sectional design. We assessed reproductive motivation in Serbian young adults before the pandemic started (N = 362), during the pandemic-caused state of emergency (the peak of the epidemic's first wave: N = 389) and after the state of emergency (i.e., after the first wave: N = 430). Furthermore, in the third time-point we measured experiences during the state of emergency and additional measures of reproductive motivation (reasons for and against parenthood). Subsamples were matched by sex, education, and the sampling procedure. We found the between-group differences which are congruent with life history theory: the desired age of first reproduction was lowest after the state of emergency compared to the 2 previous time-points. However, there were no differences in the desired number of children. Furthermore, the analysis of the links between experiences during the epidemic and reproductive motivation yielded the results which are incongruent with life history theory-adverse experiences during the state of emergency were negatively related to the reproductive motivation. Since the findings were only partially in accordance with life history theory, we discuss possible reasons which may explain the heterogeneity of results. (PsycInfo Database Record (c) 2021 APA, all rights reserved) Impact Statement One of the key assumptions of life history theory is that elevated mortality rates should produce faster life history dynamics which should reflect in higher fertility. This hypothesis is important not only for understanding evolutionary processes in an ecological context but also for predicting demographic trends as well. This assumption was tested by examining the links between COVID-19 epidemic and reproductive motivation (desired number of children and desired age of first reproduction) in young adults. The results showed mixed support for the life history predictions and provide useful guidelines for future studies in this topic. (PsycInfo Database Record (c) 2021 APA, all rights reserved)","PeriodicalId":37912,"journal":{"name":"Evolutionary Behavioral Sciences","volume":" ","pages":""},"PeriodicalIF":1.1000,"publicationDate":"2021-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Evolutionary Behavioral Sciences","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1037/ebs0000270","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"BEHAVIORAL SCIENCES","Score":null,"Total":0}
引用次数: 1
Abstract
One of the key life history assumptions is that mortality rates are positively associated with fast life history dynamics. Since the COVID-19 pandemic has elevated mortality rates throughout the world, we tested this assumption using reproductive motivation (desired number of children and desired age of first reproduction) as a key output measure using a repeated cross-sectional design. We assessed reproductive motivation in Serbian young adults before the pandemic started (N = 362), during the pandemic-caused state of emergency (the peak of the epidemic's first wave: N = 389) and after the state of emergency (i.e., after the first wave: N = 430). Furthermore, in the third time-point we measured experiences during the state of emergency and additional measures of reproductive motivation (reasons for and against parenthood). Subsamples were matched by sex, education, and the sampling procedure. We found the between-group differences which are congruent with life history theory: the desired age of first reproduction was lowest after the state of emergency compared to the 2 previous time-points. However, there were no differences in the desired number of children. Furthermore, the analysis of the links between experiences during the epidemic and reproductive motivation yielded the results which are incongruent with life history theory-adverse experiences during the state of emergency were negatively related to the reproductive motivation. Since the findings were only partially in accordance with life history theory, we discuss possible reasons which may explain the heterogeneity of results. (PsycInfo Database Record (c) 2021 APA, all rights reserved) Impact Statement One of the key assumptions of life history theory is that elevated mortality rates should produce faster life history dynamics which should reflect in higher fertility. This hypothesis is important not only for understanding evolutionary processes in an ecological context but also for predicting demographic trends as well. This assumption was tested by examining the links between COVID-19 epidemic and reproductive motivation (desired number of children and desired age of first reproduction) in young adults. The results showed mixed support for the life history predictions and provide useful guidelines for future studies in this topic. (PsycInfo Database Record (c) 2021 APA, all rights reserved)
期刊介绍：
Evolutionary Behavioral Sciences (EBS) publishes manuscripts that advance the study of human behavior from an evolutionary perspective, with an emphasis on work that integrates evolutionary theory with other approaches and perspectives from across the behavioral sciences, including the range of subdisciplines within psychology as well as the social sciences (e.g., sociology, political science, criminology) and humanities (e.g., history, literature studies). This includes a special interest in work that explores: The role of evolved mechanisms in real-world phenomena, especially when the findings hold implications for policy or practice;The expression of evolved cognitive, behavioral, and physiological mechanisms across contexts and the consequences they have for the patterns and structure of society;The interplay between evolved psychological mechanisms and cultural influences in driving behavior, including papers that test established theory in new cultural contexts. EBS publishes both empirical and theoretical manuscripts and welcomes quantitative, qualitative, and mixed-method approaches. EBS will consider research on non-human animals provided it offers some insight on a current question in the study of human behavior. The journal is also interested in articles that seek to translate evolutionary reasoning into implications for policy and practice.
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