Concordance of Mother and Father Reports of Intimate Partner Violence and Observed Interactions in Unmarried Black Coparents Expecting Their First Child

Article

Author: Stover, Carla Smith ; McCaskill, Carter William ; Buck, Kendall ; Salman-Engin, Selin ; McHale, James

Concordance between partner reports of Intimate Partner Violence (IPV) is generally low, but self-reporting of IPV and concordance between partners among expectant parents in marginalized communities has not been explored, nor have associations among each partner’s reports of IPV and their behaviors in observed conflict discussions. This study will examine these gaps. One hundred and thirty-eight low-income, unmarried, Black, coparenting dyads expecting their first child together (136 mothers and 136 fathers) completed the Revised-Conflict Tactics Scale and a video recorded and coded conflict discussion. There was low concordance between parent’s reports of IPV overall with moderate levels of concordance for coparents who were living together and had more harmonious relationships. Linear regression analyses indicated only mothers’ reports of fathers’ psychological and physical IPV but not fathers’ reports of IPV were significantly associated with observed negative communication. Neither coparents’ reports of psychological or physical IPV were associated with positive communication during a conflict discussion. These findings suggest that at the time of parenthood transitions, mothers’ reports of fathers’ IPV behaviors may be more robust in their association with negative/unhealthy couple communication patterns than fathers’ reports and should be used when making safety determinations with families.

01 Jan 2025·Biology Letters

Genetic variation in age-dependent attractiveness in a fish with a mixed mating system

Article

Author: Newton, Merrit C. ; Guerra, Jefferson O. ; Nicotera, Cassandra S. ; McGhee, Katie E.

Reproductive senescence is common across taxa and females often show a predictable decline in fecundity after maturity. Attending to these age-dependent cues could help males make optimal mate choice decisions. Here, we examined reproductive senescence and male mate choice in the androdioecious mangrove rivulus ( Kryptolebias marmoratus ), where self-fertilizing hermaphrodites exist with rare males. Hermaphrodites showed a strong decline in fecundity as they aged and genetic lineages varied in their fecundity at both young and old ages. Surprisingly, when given a simultaneous choice between genetically identical old and young hermaphrodites, males did not simply prefer younger hermaphrodites. Instead, male preference for younger versus older partners depended on the genetic lineage of the partners, resulting in a strong genotype × age interaction. For some genetic lineages, hermaphrodites were more attractive to males when younger, but for other genetic lineages, hermaphrodites were more attractive when older. Our results suggest that the genetic identity of the partner is key to how males weigh age-dependent changes in fecundity and that males are able to assess genetic variation in attractiveness over a partner’s reproductive lifespan. Exploring how gamete viability and outcrossing are affected by age across genetic lineages could help us further understand these male preferences.

30 Dec 2024·Southeastern Naturalist

Preliminary Evaluation of Two Active-Sampling Methods for Crayfishes on the Southern Cumberland Plateau, Tennessee

Author: McGhee, Katie E. ; Wells, William G. ; Nystrom, Graham E. ; Barton, Marley G.

100 Deals associated with Sewanee-The University of the South

100 Translational Medicine associated with Sewanee-The University of the South

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