Author

Kathryn Lemery-Chalfant

3 papers indexed here

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Open access Sep 2026

Genetic and contextual risks and developmental mechanisms underlying childhood aggression and young adult justice system involvement.

Aggressive behavior, shaped by genetics and environmental or contextual influences, is expressed differently across development and may lead to criminal justice involvement through arrests and incarceration for some individuals. This study examined the differential impacts of early childhood contextual risk and polygen...

Savannah G. Ostner, J. Tein, Daniel S. Shaw et al. · Development and Psychopathol... · 0 citations

Open access Sep 2026

Etiology of Parental Knowledge, Youth Effortful Control, and Externalizing Behaviors: A Study of Evocative-Gene Environment Correlations.

INTRODUCTION Parental knowledge has been established as a protective factor against both youth emotion dysregulation and externalizing problem behaviors. At the same time, externalizing behaviors and dysregulation have been linked to future parental knowledge. However, the etiology and directionality of these associati...

Isabella S. Davis, Qing-Yang Liu, Leah D. Doane et al. · Journal des adolescens · 0 citations

Open access Aug 2026

Childhood temperament types provide specificity over dimensions in predicting early adolescent symptoms of psychopathology: Genetic and environmental contributions

Temperament is a heterogeneous construct that captures individual differences in reactivity and regulation. Traditionally, dimensions of temperament are used over temperament types that may better capture heterogeneity. Using a racially/ethnically and socioeconomically diverse sample of twins (N = 997 twins; 51.4% fema...

Alexys S. Murillo, Mary C. Davis, Leah D. Doane et al. · Clinical psychological scien... · 1 citation