“…Within this context, the passage through puberty represents not just a physical but also a psychological and social process (Graber, Nichols, & Brooks-Gunn, 2010 ;Mendle, Turkheimer, & Emery, 2007 ;Rudolph, 2009 ). Specifi cally, the physical changes of puberty carry a strong "social stimulus value" (Brooks-Gunn & Warren, 1989 , p. 41) in that they serve as an explicit signal to both youth and signifi cant others of entrance into a new life stage.…”