ArticleBehavior genetics2015
Genotype × cohort interaction on completed fertility and age at first birth.
Article in Behavior genetics, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
10 citing papers in PubMed.
- Polygenic Associations With Educational Attainment in East Versus West Germany: Differences Emerge After Reunification.Psychological science · 2025Article
- Genetics of female and male reproductive traits and their relationship with health, longevity and consequences for offspring.Nature aging · 2024Review
- Genes, culture, and scientific racism.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Estimating Local Structural Equation Models.Journal of Intelligence · 2023Article
- Is there still evolution in the human population?Biologia futura · 2022Review
- Developmental transformations in the structure of executive functions.Journal of experimental child psychology · 2020Article
- Physical and Cultural Inheritance Enhance Agency, but What are the Origins of this Concern to Establish a Legacy? A Nationally-Representative Twin Study of Erikson's Concept of Generativity.Behavior genetics · 2019Article
- Using Polygenic Scores in Social Science Research: Unraveling Childlessness.Frontiers in sociology · 2019Article
- Puberty, Socioeconomic Status, and Depression in Girls: Evidence for Gene × Environment Interactions.Clinical psychological science : a journal of the Association for Psychological Science · 2016Article
- Nonparametric Estimates of Gene × Environment Interaction Using Local Structural Equation Modeling.Behavior genetics · 2015Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
3 authors.
Funding
Abstract
Microevolutionary projections use empirical estimates of genetic covariation between physical or psychological phenotypes and reproductive success to forecast changes in the population distributions of those phenotypes over time. The validity of these projections depends on relatively consistent heritabilities of fertility-relevant outcomes and consistent genetic covariation between fertility and other physical or psychological phenotypes across generations. However, well-documented, rapidly changing mean trends in the level and timing of fertility may have been accompanied by differences in the genetic mechanisms of fertility. Using a sample of 933 adult twin pairs from the Midlife Development in the United States study, we demonstrate that genetic influences on completed fertility and age at first birth were trivial for the 1920-1935 birth cohort, but rose substantially for the 1936-1955 birth cohort. For the 1956-1970 birth cohort, genetic influences on completed fertility, but not age at first birth, persisted. Because the heritability of fertility is subject to change dynamically with the social context, it is difficult to project selection pressures or the rate at which selection will occur.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.