Background: Mobile devices facilitate learning activities in a self-paced way. However, the current understanding of learning participation and its consequence are minimal when learners take advantage of opportunities provided by mobile technologies worldwide. Aims: The primary purpose of this study is to examine the effectiveness of environmental…

This study explored substance use trajectories and associations with mental health among an ethnically/racially diverse college student sample before and during the COVID-19 pandemic. We combined repeated cross-sections and panel data from a total of 3,247 college students assessed with an online survey in 2018, 2019, and in three waves in 2020.…

Many studies have documented the ways in which shyness can be a barrier to personal well-being and social adjustment throughout childhood and adolescence; however, less is known regarding shyness in emerging adulthood. Shyness as experienced during emerging adulthood may continue to be a risk factor for successful development. The purpose of this…

In order to recognize behavioral patterns in children and adolescents at risk for developing bipolar disorder, this study examined Child Behavior Checklist (CBCL) profiles of bipolar offspring both with (BD group) and without ("at-risk" or AR group) bipolar disorder themselves. The BD youth had three CBCL subscale T scores greater than…

This study examined the relationship between maternal expressed emotion (EE) and children's perceived self-competence, behavior and intelligence in a community sample of 190 urban, African American children ages 6-7. Maternal EE was measured by the Five Minute Speech Sample. Self reports and standardized measures were used to examine other mother…

The relative effects of imagerial covert rehearsal with attentional shifts and the use of an independent reinforcing agent in a covert reinforcement therapy were compared. A 17-year-old female student, requesting treatment for a snake phobia, served as the subject. The phobia was measured along four dimensions: behavioral approaches to a live…

A study examined the behavior patterns of patrons arriving at theatres that showed both "X" rated and "PG" rated movies. The study was undertaken to update the findings of the President's Commission on Pornography and Obscenity, which conducted similar research in 1970 and 1971. Patrons entering the theatre's X and PG rated…

Explored interface between preschoolers' socio-emotional characteristics and interactions with teachers during free play. Found that children who most frequently initiated teacher interaction behaved more aggressively than peers and were so rated by teachers. Children who most frequently received teacher initiations were more shy and anxious.…