Lawerence on Dr. Gabriel J. Merrin | Syracuse Universityhttps://gabrieljmerrin.rbind.io/authors/lawerence/Recent content in Lawerence on Dr. Gabriel J. Merrin | Syracuse UniversitySource Themes Academic (https://sourcethemes.com/academic/)en-us&copy; {year}Thu, 01 Jan 2026 00:00:00 +0000Disentangling the bidirectional associations of depressive symptoms, impulsivity, and substance use in early adolescence: A between and within person perspectivehttps://gabrieljmerrin.rbind.io/publication/lawerence-merrin-2026-disentan/Thu, 01 Jan 2026 00:00:00 +0000https://gabrieljmerrin.rbind.io/publication/lawerence-merrin-2026-disentan/<p>This study disentangles bidirectional associations among depressive symptoms, impulsivity, and substance use in early adolescence using between- and within-person modeling. The authors clarify how stable individual differences and time-varying processes jointly shape co-occurring internalizing symptoms and substance use behaviors.</p>