Friend influence over adolescent problem behaviors as a function of relative peer acceptance: to be liked is to be emulated

Friend influence over alcohol intoxication and delinquent behavior was examined as a function of relative peer acceptance in a 3-year study of Swedish youth (N = 184 girls, 145 boys). Participants were in the first year of secondary school (7th grade, M = 11.7 years old) or the first year of high school (10th grade, M = 15.3 years old) at the outset. Friends resembled one another before the friendship; resemblances were even greater after the friendship began. Resemblances continued to grow among those who remained friends one year later, but declined among those whose friendships dissolved. Partners were not equally responsible for increases in similarity. In stable friendships, the more accepted partner exerted greater influence over the less accepted partner, such that the greatest increases in problem behaviors were found among less accepted youth whose friends had higher initial levels of delinquency and alcohol intoxication. Unstable friends resembled random pairs of youth in that more- and less-accepted partners were comparably uninfluential.     

Latent class analysis of eating disorders: relationship to mortality

The current diagnostic nomenclature for eating disorders has shortcomings. Empirical attempts to identify a new nomenclature have found numerous latent structures, but validation of this work has been largely cross-sectional, and nothing is known yet about the relationship of derived latent classes to mortality. This study examined latent diagnostic structure in 1,885 participants seeking outpatient eating disorder treatment over an 18-year period. Eating disorder symptoms were used as indicators, and the main validator was mortality as assessed using computerized linkage to the National Death Index. Six latent classes were derived; three of the six had significantly elevated standardized mortality ratios. It appeared that the latent class structure yielded better delineation of mortality risk than the existing classifications in the Diagnostic and Statistical Manual of Mental Disorders. These results provide support for an alternative, empirically derived diagnostic structure.     

Thinking Outside the Clocks: The Effect of Layered‐Task Time on the Creative Climate of Meetings

The turbulence of the new economy puts demands on organizations to respond rapidly, flexibly and creatively to changing environments. Meetings are one of the organizational sites in which organizational actors “do” creativity; interaction in groups can be an important site for generating creative ideas and brainstorming. Additionally, Blount (2004) demonstrated the importance of organizational temporalities for group performance. We draw on both of these literatures and examine how temporal structures influence the climate for creativity, or the extent to which creativity is fostered, within groups. Specifically, we develop a hypothesis linking organization‐ and job‐level temporal structures to the extent to which managers structure meetings with a climate supportive of creativity. Our results demonstrate that a nuanced relationship exists between temporal structures and creative climate such that certain temporal structures appear to either enhance or decrease the creative climate of meetings. We end with a discussion of the implications of the findings for management.