Current misuses of multiple regression for investigating bivariate hypotheses: an example from the organizational domain

By definition, multiple regression (MR) considers more than one predictor variable, and each variable’s beta will depend on both its correlation with the criterion and its correlation with the other predictor(s). Despite ad nauseam coverage of this characteristic in organizational psychology and statistical texts, researchers’ applications of MR in bivariate hypothesis testing has been the subject of recent and renewed interest. Accordingly, we conducted a targeted survey of the literature by coding articles, covering a five-year span from two top-tier organizational journals, that employed MR for testing bivariate relations. The results suggest that MR coefficients, rather than correlation coefficients, were most common for testing hypotheses of bivariate relations, yet supporting theoretical rationales were rarely offered. Regarding the potential impact on scientific advancement, in almost half of the articles reviewed (44 %), at least one conclusion of each study (i.e., that the hypothesis was or was not supported) would have been different, depending on the author’s use of correlation or beta to test the bivariate hypothesis. It follows that inappropriate decisions to interpret the correlation versus the beta will affect the accumulation of consistent and replicable scientific evidence. We conclude with recommendations for improving bivariate hypothesis testing.     

Exposure to Verbal Parental Aggression and Sexual Activity Among Low Income African American Youth

The study examined whether witnessing verbal parental aggression (VPA) was related to sexual activity among mostly low income African American youth, and whether psychological symptoms mediated this relationship. Five hundred and sixty-three African American high school adolescents (ages 13–19) completed self-administered questionnaires, which assessed demographics, psychological problems (e.g., depression, anxiety, aggression and posttraumatic stress disorder symptoms), witnessing VPA, and sexual activity. Participants who witnessed high versus no VPA were 2 times more likely to report sexual activity. This relationship was mediated by aggression for males and females, and posttraumatic stress disorder symptoms for females only. Youth service providers should be trained to understand the prevalence of co-occurring problems such as exposure to VPA, aggression, PTSD symptoms, and sexual activity, with the goal of more effectively supporting the healthy development of African American youth.     

Multidimensional Suicide Inventory-28 (MSI-28) Within a Sample of Military Basic Trainees: An Examination of Psychometric Properties

Suicide and suicidal ideation are serious public health concerns. Accurate detection and assessment are critical first steps in addressing this challenging issue. The present study examined self-reported suicidal ideation in a sample of United States Air Force enlisted active duty basic trainees (N = 470) using the Multidimensional Suicide Inventory (MSI-28). Exploratory factor analyses revealed a 4-factor structure for the MSI-28 in this sample. Together, these 4 factors explained approximately 72% of the variance in the MSI-28. The MSI-28 evidenced moderate to strong associations with measures of resilience (Dispositional Resilience Scale-15; DRS-15) and psychological distress (Outcome Questionnaire; OQ-30.2). These findings demonstrate that the MSI-28 is a promising tool for clinical measurement of self-reported suicidality. Future directions for further validation of the MSI-28 are discussed.     

Behandlungsmotivation und Indikation von Psychotherapie

Concepts and results of research into treatment motivation under psychotherapy are discussed with regard to the question whether decisions for indications on the basis of the motivational characteristics of patients are reasonable. Established concepts and broader theories of treatment motivation as well as diagnostic tools for the assessment are presented. Subsequently, empirical results for the effects of motivational factors on the maintenance and success of psychotherapy are briefly sketched. Approaches aimed at the enhancement of treatment motivation before and during psychotherapeutic processes are then illustrated. Finally, it is emphasized that, in turn, features of individual therapeutic processes may provide a basis for the indication of motivational enhancement interventions, thus supporting the notion of a dynamic nature of treatment motivation.     

Efficient versus flexible mentalizing in complex social settings: Exploring signature limits

Wu, Sheppard, and Mitchell (Br. J. Psychol., 2016; 107, 1–22) investigate in a fascinating study the fact that adults can detect empathic traits in others after only briefly watching or listening to a person. In this commentary, we highlight how the processes of an efficient, implicit, but inflexible mentalizing system are likely to operate in such situations. Further, we specify how testing signature limits over time‐, attribute‐, and protagonist‐restrictions can help distinguish whether an efficient‐implicit or flexible‐explicit mentalizing system is of relevance when processing complex social settings.