Multiple Trajectories in Anxious Solitary Youths: the Middle School Transition as a Turning Point in Development

This study aimed to identify divergent patterns of individual continuity and change in anxious solitude (AS) in the last half of elementary school (3rd – 5th grade) and the first two years of middle school (6th – 7th grade), and test predictors and outcomes of these pathways. Participants were 688 youths (girls n = 354, 51.5%; M age at outset = 8.66 years, SD = 0.50). Latent class growth analyses identified two AS trajectory classes in...