Indexing systematic rater agreement with a latent-class model

A latent-class model of rater agreement is presented for which 1 of the model parameters can be interpreted as the proportion of systematic agreement. The latent classes of the model emerge from the factorial combination of the "true" category in which a target belongs and the ease with which raters are able to classify targets into the true category. Several constrained cases of the model are described, and the relations to other well-known agreement models and kappa-type summary coefficients are explained. The differential quality of the rating categories can be assessed on the basis of the model fit. The model is illustrated using data from diagnoses of psychiatric disorders and classifications of individuals in a persuasive communication study.     

Development and validation of the Self‐Gifting Consumer Behaviour scale

Self‐gifting consumer behaviour (SGCB) is on the rise as consumers seek reward and therapeutic benefits from their shopping experiences. SGCB is defined as personally symbolic, self‐communication through special indulgences, which tend to be premeditated and highly context bound. Prior research into the measurement of this growing behavioural phenomenon has been fragmented because of differences in conceptualisation. This research builds upon the prior literature and through a series of qualitative and quantitative studies, develops a valid, multidimensional measure of SGCB that will be useful for future quantitative inquiry into self‐gifting consumption. Copyright © 2015 John Wiley & Sons, Ltd.     

Neural mechanisms of sensitivity to peer information in young adult cannabis users

Though social influence is a critical factor in the initiation and maintenance of marijuana use, the neural correlates of influence in those who use marijuana are unknown. In this study, marijuana-using young adults (MJ; n = 20) and controls (CON; n = 23) performed a decision-making task in which they made a perceptual choice after viewing the choices of unknown peers via photographs, while they underwent functional magnetic resonance imaging scans. The MJ and CON groups did not show differences in the overall number of choices that agreed with versus opposed group influence, but only the MJ group showed reaction time slowing when deciding against group choices. Longer reaction times were associated with greater activation of frontal regions. The MJ goup, compared to CON, showed significantly greater activation in the caudate when presented with peer information. Across groups, caudate activation was associated with self-reported susceptibility to influence. These findings indicate that young adults who use MJ may exhibit increased effort when confronted with opposing peer influence, as well as exhibit greater responsivity of the caudate to social information. These results not only better define the neural basis of social decisions, but also suggest that marijuana use is associated with exaggerated neural activity during decision making that involves social information.     

Glücksspielsucht in der Rechtsprechung des Bundesgerichtshofs

Among the non-substance-related addictions, pathological gambling is the only one that has gained noteworthy forensic relevance. There are numerous parallels to substance-related addictions and not only in the symptomatology. A high proportion of pathological gamblers commit criminal offences to enable them to continue gambling or to pay gambling debts. According to the jurisdiction of the Federal Court of Justice (BGH) pathological gambling in itself cannot be considered as a pathological mental disorder or other serious mental abnormality that substantially diminishes the responsibility of the offender (German Penal Code § 21 StGB); however, the BGH recognizes that in serious cases of pathological gambling mental changes and personality defects can evolve that show similar structure and severity to substance-related addictions and severe withdrawal symptoms might also develop. As with substance-related addictions a substantial diminution of the offender’s responsibility can be assumed, therefore, also with pathological gambling if it has led to most severe personality changes or if the offender suffered from severe withdrawal symptoms while committing an addiction-related crime. According to these criteria a substantial diminution of the offender’s responsibility can be stated only in very rare cases. A custodial addiction treatment order (§ 64 StGB), which is also possible for fully responsible delinquents, is not applicable to cases of mere pathological gambling because the order requires an addiction to alcohol or other drugs. A mental hospital commitment order (§ 63 StGB) can be issued by the court under the same strict conditions that are applied to cases of substance-related addictions. Based on these principles this can only be issued if the defendant is addicted to gambling due to a mental defect that can be distinguished from the addiction itself or if the dependence has already been manifested in very severe personality changes. Pathological gambling can cause a propensity to commit serious offences and therefore, under the further conditions of §§ 66, 66a StGB justify detention for the purpose of incapacitation or a deferred incapacitation order. Even during imprisonment, detainees must be offered a suitable therapy (§ 66c para 2 StGB); however, penitentiaries do not offer the best environment for the treatment of pathological gamblers. The treatment in an addiction therapeutic setting appears to be more promising. Criminal political demands to make custodial addiction treatment orders also applicable to pathological gamblers have, however, very little chance of success.     

Consistent Differential Discrimination Model Estimation

A novel factor-analytic model—the differential discrimination model—for assessing individual differences in scale use has been recently introduced, together with a three-stage estimation approach for model fitting. Unfortunately, the second-stage estimator and, as a consequence, the third-stage estimator of this procedure are not consistent. In this article we show that (a) the differential discrimination model can be expressed in a structural equation model framework, and (b) consistent and simultaneous estimation of all model parameters can be achieved using standard SEM software.     

Counting on fine motor skills: links between preschool finger dexterity and numerical skills

Finger counting is widely considered an important step in children's early mathematical development. Presumably, children's ability to move their fingers during early counting experiences to aid number representation depends in part on their early fine motor skills (FMS). Specifically, FMS should link to children's procedural counting skills through consistent repetition of finger‐counting procedures. Accordingly, we hypothesized that (a) FMS are linked to early counting skills, and (b) greater FMS relate to conceptual counting knowledge (e.g., cardinality, abstraction, order irrelevance) via procedural counting skills (i.e., one–one correspondence and correctness of verbal counting). Preschool children (N = 177) were administered measures of procedural counting skills, conceptual counting knowledge, FMS, and general cognitive skills along with parent questionnaires on home mathematics and fine motor environment. FMS correlated with procedural counting skills and conceptual counting knowledge after controlling for cognitive skills, chronological age, home mathematics and FMS environments. Moreover, the relationship between FMS and conceptual counting knowledge was mediated by procedural counting skills. Findings suggest that FMS play a role in early counting and therewith conceptual counting knowledge.     

Boarding School Attendance and Physical Health Status of Northern Plains Tribes

Our hypothesis was that boarding school attendance among Northern Plains tribal members was associated with lower self-reported physical health status controlling for demographic, socioeconomic variables, the number of mental health and physical health problems. This secondary analysis used the American Indian Service Utilization, Psychiatric Epidemiology, Risk and Protective Factors Project data collected from 1997 to 1999. This analysis included (n = 1638) Northern Plains tribally enrolled members, aged 15–54, who lived on or within 20 miles of their reservations. Using linear regression and path analysis we examined the indirect, direct, and combine associations of boarding school attendance and physical health status. Results confirm boarding school attendance contributed indirectly (beta = ?.83, CI = ?1.33,-.33, p. ≤ .001) through number of physical health conditions to lower physical health status. Combined direct and indirect results (beta = ?.39, CI = ?1.20, .42) show American Indians who attended boarding school have lower physical health status (beta = ?1.22, CI = ?2.18,-.26, p. ≤ .01) than those who did not. The relationship of American Indian boarding school attendance and physical health status is complex with more than one path existing. We need to better understand the relationship of boarding school attendance and American Indian health, identify risk factors, and develop interventions for families and younger generations.     

Construct Validity Evidence for the Intercultural Readiness Check against the Multicultural Personality Questionnaire

The psychometric qualities of the intercultural readiness check (IRC) were evaluated against an existing instrument for multicultural effectiveness: the Multicultural Personality Questionnaire (MPQ). The IRC has scales for intercultural sensitivity, intercultural communication, intercultural relationship building, conflict management, leadership and tolerance of ambiguity. A sample of in majority employees who were trained for an international position (N=137) participated in the study. The IRC scales were moderately to sufficiently reliable. Correlations with the MPQ scales were in the expected direction. Both instruments were equally strongly related to international inspiration, with open‐mindedness (MPQ) and intercultural sensitivity (IRC) as most important predictors. The IRC scales explained more variance in international experience.     

When smiling back helps and scowling back hurts: individual differences in emotional mimicry are associated with self-reported interaction quality during conflict interactions

Motivation and Emotion - Conflicts or disagreements during which negative, antagonistic emotions are expressed are perceived as uncomfortable. By contrast, disagreements accompanied by positive,...