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Institute
Since 2020, the COVID-19 pandemic had an impact on education worldwide. There is increased discussion of possible negative effects on students’ learning outcomes and the need for targeted support. We examined fourth graders’ reading achievement based on a school panel study, representative on the student level, with N = 111 elementary schools in Germany (total: N = 4,290 students, age: 9–10 years). The students were tested with the Progress in International Reading Literacy Study instruments in 2016 and 2021. The analysis focused on (1) total average differences in reading achievement between 2016 and 2021, (2) average differences controlling for student composition, and (3) changes in achievement gaps between student subgroups (i.e., immigration background, socio-cultural capital, and gender). The methodological approach met international standards for the analysis of large-scale assessments (i.e., multiple multi-level imputation, plausible values, and clustered mixed-effect regression). The results showed a substantial decline in mean reading achievement. The decline corresponds to one-third of a year of learning, even after controlling for changes in student composition. We found no statistically significant changes of achievement gaps between student subgroups, despite numerical tendencies toward a widening of achievement gaps between students with and without immigration background. It is likely that this sharp achievement decline was related to the COVID-19 pandemic. The findings are discussed in terms of further research needs, practical implications for educating current student cohorts, and educational policy decisions regarding actions in crises such as the COVID-19 pandemic.
Hintergrund: Das Kindesalter wurde bei der Entwicklung von wirksamen Präventions- und Interventionsprogrammen bei Computerspiel- und Internetabhängigkeit bisher kaum berücksichtigt. PROTECTdissonanz wurde daher als 1-stündiges dissonanzbasiertes universelles Primärpräventionsprogramm für die Klassenstufe 5 konzipiert. Die vorliegende Pilotstudie überprüft die unmittelbaren Effekte der Dissonanzinduktion auf die Einstellung zum Gaming. Methodik: In einem einarmigen A+B-Design mit drei Messzeitpunkten (T0, T1, T2) wurde die Einstellung zum Gaming anhand des Gaming Attitude Test (GAT) erfasst. In die Baselinesequenz (Sequenz A, T0 bis T1, Teilstichprobe) wurden N = 83 Schüler_innen eingeschlossen (Alter: M = 10.27; SD = 0.48) und in die Interventionssequenz (Sequenz B, T1 bis T2, Gesamtstichprobe) N = 200 Schüler_innen (Alter: M = 10.24; SD = 0.47). Akzeptanz und Zufriedenheit wurden nach der Intervention erfasst. Ergebnisse: Hierarchisch lineare Wachstumsmodelle zeigten eine signifikante Reduktion der GAT-Symptome durch die Intervention, sowohl im Gesamtwert des GAT als auch auf der Subskala „Bagatellisierung negativer Konsequenzen“. Im natürlichen Verlauf (Baselinesequenz A) zeigten sich keine Veränderungen. Die Schüler_innen bewerteten PROTECTdissonanz zudem mit einer hohen Zufriedenheit. Schlussfolgerungen: Eine kurze, gezielte übung zur Dissonanzinduktion zeigt unmittelbare Effekte auf ein Einstellungsmaß zum Gaming. Zur Weiterverfolgung dieses vielversprechenden Ansatzes sollte in künftigen Studien untersucht werden, ob sich eine verringerte Bagatellisierung negativer Konsequenzen von Gaming im Sinne der kognitiven Dissonanztheorie auch tatsächlich in einer Verhaltensänderung widerspiegelt.
Teacher’s self-efficacy is a relevant judgement of self-belief by teachers. Studies reveal inverse response bias of teachers’ self-assessment. Parallel item presentation can be used as a method to reduce such distortions. The major goal of this study was to develop and verify such a measure of parallel item presentation in order to compare self-efficacy of qualified and out-of-field PE teachers. Therefore out-of-field and qualified PE student teachers (N = 68) were randomised into two groups. They responded to 14 self-efficacy items related to classroom subjects and PE teaching. One group of out-of-field (n = 17) and qualified (n = 18) PE student teachers was presented with the items in parallel so that they could compare classroom and PE teaching items. For the other group of out-of-field (n = 11) and qualified (n = 22) PE student teachers, the items were presented sequentially so that no direct comparison was possible. Data was analysed using nested ANOVA. The results reveal that with a dimensional item comparison, out-of-field PE teachers have a significantly lower self-efficacy in PE than qualified PE student teachers (p = .006, ηp2 = .18). Without comparison, there is no significant difference. The method of parallel item representation can thus contribute to the reduction of inverse response bias.
The intergroup sensitivity effect in mergers and acquisitions: testing the role of merger motives
(2021)
Research has shown that people are more defensive to criticism when it stems from an outgroup member, compared to an ingroup member (the intergroup sensitivity effect: ISE). We conducted two online vignette experiments to examine the ISE in the context of an organizational merger and the role of merger motives for the ISE. We predicted that the ISE would also emerge in mergers and acquisitions (M&As), but people would respond less negatively to criticism from the outgroup when the motive for the merger is described as achieving synergies rather than growth. In Experiment 1 (N = 452), which did not mention any motives behind the acquisition, a significant ISE emerged. Experiment 2 (N = 587) again showed an ISE regardless of the merger motive. In both experiments, the ISE was mediated by perceptions of the outgroup criticism as less legitimate and constructive. Overall, this research points to the intergroup sensitivity effect as a relevant phenomenon during post-merger integration.
Trajectories of internalizing disorders and behavioral addictions are still largely unknown. Research shows that both disorders are highly comorbid. Previous longitudinal studies have focused on associations between internalizing disorders and behavioral addictions using screening instruments. Our aim was to develop and examine a theory-based model of trajectories, according to which internalizing disorders foster symptoms of Internet use disorders, mediated by a reward deprivation and maladaptive emotion regulation. We applied clinically relevant measures for depression and social anxiety in a prospective longitudinal study with a 12-month follow-up investigation. On the basis of an at-risk population of 476 students (mean age = 14.99 years, SD = 1.99), we investigated the predictive influence of clinically relevant depression and social anxiety at baseline (t1) on Internet use disorder symptoms at 12-month follow-up (t2) using multiple linear regression analyses. Our results showed that both clinically relevant depression and social anxiety significantly predicted symptom severity of Internet use disorders one year later after controlling for baseline symptoms of Internet use disorders, gender and age. These results remained robust after including both depression and social anxiety simultaneously in the model, indicating an independent influence of both predictors on Internet use disorder symptoms. The present study enhances knowledge going beyond a mere association between internalizing disorders and Internet use disorders. To our knowledge, this is the first study investigating clinically relevant depression and social anxiety to predict future Internet use disorder symptoms at 12-month follow-up. In line with our model of trajectories, a significant temporal relationship between clinically relevant internalizing disorders and Internet use disorder symptoms at 12-month follow-up was confirmed. Further studies should investigate the mediating role of reward deprivation and maladaptive emotion regulation, as postulated in our model. One implication of these findings is that clinicians should pay particular attention to the increased risk of developing behavioral addictions for adolescents with depression and social anxiety.
Background: Researchers who wish to study stress-related disorders need to use valid, reliable, and sensitive instruments and the Clinician-administered PTSD Scale (CAPS) con- stitutes the gold standard in the assessment of posttraumatic stress disorder (PTSD). While the CAPS corresponds with PTSD criteria according to the DSM-5, researchers face a challenge with the forthcoming ICD-11: ICD-11 introduces the new diagnosis Complex PTSD (CPTSD) that does not exist in DSM-5.
Objective: Researchers as well as clinicians will need to assess the incidence and prevalence of CPTSD and will want to evaluate treatment effects according to both criteria sets. However, using two clinician-rated interviews is often not feasible and a burden to patients, particularly in psychotherapy research.
Method & Results: We have therefore developed the Complex PTSD Item Set additional to the CAPS (COPISAC). This clinician rating is an easy-to-use and economic addition to the CAPS that permits assessing diagnosis and evaluating symptom severity of CPTSD. COPISAC consists of three items that assess disturbances in self-regulation including prompts for symptom description and frequency, and two additional items assessing impairment. Diagnostic status and severity ratings for CPTSD are possible. Items that account for the specific forms of trauma which the ICD-11 describes as precursors of CPTSD (e.g. torture, being enslaved) are further suggested as additions to the Life Events Checklist. Conclusion: With an introduction of COPISAC at this point, we aim at suggesting an easy transition into diagnosing CPTSD and evaluating its course over treatment.
While scene context is known to facilitate object recognition, little is known about which contextual “ingredients” are at the heart of this phenomenon. Here, we address the question of whether the materials that frequently occur in scenes (e.g., tiles in a bathroom) associated with specific objects (e.g., a perfume) are relevant for the processing of that object. To this end, we presented photographs of consistent and inconsistent objects (e.g., perfume vs. pinecone) superimposed on scenes (e.g., a bathroom) and close-ups of materials (e.g., tiles). In Experiment 1, consistent objects on scenes were named more accurately than inconsistent ones, while there was only a marginal consistency effect for objects on materials. Also, we did not find any consistency effect for scrambled materials that served as color control condition. In Experiment 2, we recorded event-related potentials and found N300/N400 responses—markers of semantic violations—for objects on inconsistent relative to consistent scenes. Critically, objects on materials triggered N300/N400 responses of similar magnitudes. Our findings show that contextual materials indeed affect object processing—even in the absence of spatial scene structure and object content—suggesting that material is one of the contextual “ingredients” driving scene context effects.
Über zwei Drittel aller Menschen erleben in ihrem Leben mindestens ein traumatisches Ereignis (Kessler et al., 2017). Gerade nach interpersonellen Traumatisierungen ist die Rate der Betroffenen, welche eine posttraumatische Belastungsstörung (PTBS) entwickeln, sehr hoch (z. B. ca. 50% nach sexuellem Missbrauch; Hauffa et al., 2011). In der Vergangenheit wurden Angst- und Ohnmachtsgefühle als zentrale der PTBS zu Grunde liegende Emotionen aufgefasst (Foa & Kozak, 1986). Neuere Forschungsbefunde legen jedoch nahe, dass traumabezogene Schuld- und Schamgefühle auch eine wichtige Rolle bei der Entstehung und Aufrechterhaltung der PTBS spielen (z. B. Badour et al., 2017). Dabei leiden besonders Betroffene von interpersonellen Gewalterfahrungen unter diesen Gefühlen (z. B. Badour et al., 2017).
Im Hinblick auf die psychotherapeutische Behandlung der PTBS haben sich traumafokussierte Verfahren als wirksam erwiesen (z. B. Lewis et al., 2020). Hohe Drop-out (z. B. Swift & Greenberg, 2014) und Nonresponse Raten (Fonzo et al., 2020) geben jedoch Hinweise darauf, dass nicht allen PTBS Patient*innen mit diesen Verfahren ausreichend geholfen werden kann, wobei insbesondere Patient*innen mit interpersonellen Traumatisierungen weniger gut davon zu profitieren scheinen (z. B. Karatzias et al., 2019). Zudem hat sich gezeigt, dass Schuldgefühle auch nach einer erfolgreichen PTBS Behandlung weiter persistieren (Larsen et al., 2019). Demnach besteht ein Bedarf an alternativen Therapieverfahren für Patient*innen mit interpersonellen Traumatisierungen und/oder Schuld- und Schamgefühlen.
Besonders vielversprechend sind hierbei achtsamkeitsbasierte Interventionen, die bereits in der PTBS Behandlung eine zunehmend bedeutsame Rolle spielen (Hopwood & Schutte, 2017). Eine wichtige Voraussetzung für die weitere Erforschung dieser Interventionen sind valide und reliable Verfahren zur Veränderungsmessung von Achtsamkeit (Isbel et al., 2020). So scheinen bisherige Studien jedoch hauptsächlich fragebogenbasierte Maße zur Erfassung von Veränderungen in Trait-Achtsamkeit eingesetzt zu haben, obwohl diese Interventionen eher auf die Steigerung von State-Achtsamkeit abzielen (Goodman et al., 2017). Darüber hinaus kristallisierten sich methodische Kritikpunkte in Bezug auf die Validität von Fragebögen zur Erfassung von Trait-Achtsamkeit heraus (van Dam et al., 2018). Demgegenüber erfassen Experience-Sampling Ansätze (z. B. Mindful-Breathing Exercise, MBE; Burg & Michalak, 2011) eher Aspekte der State-Achtsamkeit, sind jedoch in klinischen Untersuchungsstichproben bisher kaum untersucht worden. Darauf aufbauend fokussierte die erste Forschungsfrage der Dissertation die Untersuchung der MBE im klinischen Kontext. Ein Hauptbefund der Studie zeigte, dass die MBE bei PTBS Patient*innen hinsichtlich ihres Prädiktionswertes für die PTBS Symptome Übererregung und Intrusionen gegenüber fragebogenbasierter Trait-Achtsamkeit überlegen war. Mögliche Wirkmechanismen achtsamkeitsbasierter Interventionen könnten demnach durch den Einsatz der MBE besonders gut abgebildet werden.
Innerhalb der achtsamkeitsbasierten Interventionen kommt in der Behandlung der PTBS am häufigsten die Mindfulness Based Stress Reduction (MBSR; Kabat-Zinn, 2013) als standardisierte Gruppenintervention zum Einsatz (Boyd et al., 2018). Jedoch scheint die MBSR insbesondere für PTBS Patient*innen mit interpersonellen Traumatisierungen nicht eins-zu-eins anwendbar zu sein (Müller-Engelmann et al., 2017). Buddhistische Metta-Meditationen (dt.: Liebende Güte; Salzberg, 2002) sind vor diesem Hintergrund eine vielversprechende Ergänzung zu achtsamkeitsbasierten Interventionen. Metta-Meditationen zielen darauf ab, sich selbst sowie allen anderen Lebewesen bedingungsloses Wohlwollen und Freundlichkeit entgegen zu bringen (Bodhi, 2010). Metta-Meditationen sind noch weniger gut in der klinischen Forschung etabliert. Erste Befunde deuten jedoch darauf hin, dass sie bei PTBS Patient*innen zu einer Reduktion der PTBS Symptomatik führen können (z. B. Kearney et al., 2021). Folglich wurde im Rahmen der zweiten Forschungsfrage eine neue Intervention entwickelt und evaluiert, welche sich an den Bedürfnissen von PTBS Patient*innen mit interpersonellen Traumatisierungen orientiert. Sie kombiniert kürzere, PTBS spezifische Achtsamkeitsübungen mit angepassten Übungen aus MBSR sowie Metta-Meditationen (= Trauma-MILOKI). Trauma-MILOKI zeigte sich in einer multiplen Baseline Studie wirksam zur Reduktion der PTBS Symptome sowie zur Steigerung des Wohlbefindens.
Ein Wirkmechanismus von Metta-Meditationen ist die Förderung positiver Emotionen sowie des Gefühls sozialer Verbundenheit (Salzberg, 2002), weswegen sie auch besonders gut geeignet scheinen, traumabezogene Schuld- und Schamgefühle zu reduzieren. Darüber hinaus haben sich unter den etablierten Therapieverfahren v. a. kognitive Ansätze zur Reduktion von Schuldgefühlen als wirksam erwiesen (Resick et al., 2008)...
Specifying accurate informative prior distributions is a question of carefully selecting studies that comprise the body of comparable background knowledge. Psychological research, however, consists of studies that are being conducted under different circumstances, with different samples and varying instruments. Thus, results of previous studies are heterogeneous, and not all available results can and should contribute equally to an informative prior distribution. This implies a necessary weighting of background information based on the similarity of the previous studies to the focal study at hand. Current approaches to account for heterogeneity by weighting informative prior distributions, such as the power prior and the meta-analytic predictive prior are either not easily accessible or incomplete. To complicate matters further, in the context of Bayesian multiple regression models there are no methods available for quantifying the similarity of a given body of background knowledge to the focal study at hand. Consequently, the purpose of this study is threefold. We first present a novel method to combine the aforementioned sources of heterogeneity in the similarity measure ω. This method is based on a combination of a propensity-score approach to assess the similarity of samples with random- and mixed-effects meta-analytic models to quantify the heterogeneity in outcomes and study characteristics. Second, we show how to use the similarity measure ω as a weight for informative prior distributions for the substantial parameters (regression coefficients) in Bayesian multiple regression models. Third, we investigate the performance and the behavior of the similarity-weighted informative prior distribution in a comprehensive simulation study, where it is compared to the normalized power prior and the meta-analytic predictive prior. The similarity measure ω and the similarity-weighted informative prior distribution as the primary results of this study provide applied researchers with means to specify accurate informative prior distributions.
Empathie ist ein mehrdimensionales psychologisches Konstrukt, das aus verschiedenen Facetten besteht (Decety & Ickes, 2011). Es ist anzunehmen, dass Empathie ein wichtiger Mechanismus ist, um Menschen miteinander zu verbinden und eine Gruppenkohäsion möglich zu machen (Rameson & Lieberman, 2009). Neben der Fähigkeit die Erlebenswelt des Gegenübers mit eigenen mentalen Repräsentationen nachzuvollziehen, werden dadurch Emotionen ausgelöst, die denen des Gegenübers sehr ähnlich sind. Gleichzeitig unterscheidet sich dieses Gefühlserleben aber beispielsweise von reiner Gefühlsansteckung, da eine Selbst-Andere Differenzierung stattfindet und in einer empathischen Episode immer im Vordergrund steht, dass man sich aufgrund der Gefühle des anderen so fühlt (Altmann, 2015). Hier spielt Imitation eine wichtige Rolle, wenn es darum geht, die Erlebenswelt der anderen Person zu erfassen (Meltzoff & Decety, 2003). Besonders auch bei Lehrkräften zeigt sich eine Wichtigkeit von empathischem Handeln und Verstehen (Tausch & Tausch, 2008). In verschiedenen Studien zeigten sich positive Effekte von Empathie auf die Schülerschaft und die Unterrichtsqualität. Die SchülerInnen trauen sich mehr, es herrscht weniger Angst im Klassenzimmer und die Qualität der Unterrichtsbeiträge steigt (vgl. Tausch & Tausch, 1998). Empathie selbst besteht aus State- und Trait-Anteilen, so dass zumindest Teile davon trainierbar sind (Butters, 2010). Eine potentielle Möglichkeit um Empathie zu fördern scheint das Lehr-Lern-Format Service Learning (SL) darzustellen. Hierbei handelt es sich um ein Veranstaltungskonzept, bei dem ein meist fachlicher, akademischer Inhalt mit einem ehrenamtlichen Engagement außerhalb der Universität verknüpft wird (Reinders, 2016). Forschung aus dem angloamerikanischen Raum weist darauf hin, dass Empathie durch derartige Formate gefördert werden kann (Lundy, 2007; Wilson, 2011). Da die meisten Messverfahren von Empathie auf Selbstauskunft basieren und damit nur indirekt Anteile wie das affektive Mitschwingen abbilden können, war es Teil dieser Arbeit im ersten Schritt einen objektiven, videobasierten Test zu entwickeln, der dann mit anderen Verfahren zur Messung eingesetzt werden sollte. In zwei ExpertInnen-Befragungen wurden aus einem Pool von Videosequenzen mit Unterrichtssituationen insgesamt zehn Videoclips mit jeweils vier Items und zugehörigen Antwortoptionen extrahiert. In einer darauf folgenden Validierung mit Studierenden der Goethe-Universität (N = 112) wurden diese Vignetten mit verschiedenen Verfahren zur Messung von Empathie gemeinsam erhoben und die Zusammenhänge analysiert. Die Reliabilitäten der drei Testscores bewegten sich in den beiden gebildeten Testversionen zwischen Cronbachs α = .53 (Verhaltens-Score der Testversion 1) und α = .76 (Intensitäts-Score der Testversion 2). Es zeigten sich zu allen Fragebögen erwartungskonforme Zusammenhänge von kleinen bis mittleren Effekten. Die Itemschwierigkeiten bei den meisten Items lagen zwischen 50 und 65, die Trennschärfen zwischen .18 und .70.
Im nächsten Entwicklungsschritt wurden die Vignetten in neu zusammengestellten Testversionen nur Lehramtsstudierenden (N = 41) vorgelegt und zusätzlich Videoaufnahmen der Gesichter der ProbandInnen gemacht, um sie mit Face-Reader zu analysieren und die Facette Mitschwingen abzubilden. Die Reliabilitäten der Testversionen lagen mit einem neuen Scoring nun zwischen α = .24 (Emotionserkennungs-Score Prä-Testversion) und
α = .57 (Intensitäts-Score Prä-Testversion) sowie zwischen α = .10 (Emotionserkennungs-Score Post-Testversion) und α = .77 (Intensitäts-Score Post-Testversion). Auch die Schwierigkeiten und Trennschärfen änderten sich nach Adaptieren des Scorings und bewegten sich in beiden Testversionen nun von 30 bis 89 (Schwierigkeit) und von .0 bis .5 (Trennschärfe). Die Face-Reader Analysen zeigten nur in Teilen kongruente Emotionen mit den Selbstauskunftsdaten bzw. den eingeschätzten Intensitäten in den Videosequenzen, dann allerdings mittlere bis große Effekte, so dass in Teilen von einem affektiven Mitschwingen ausgegangen werden kann. Da sich die internen Konsistenzen im Vergleich zur Validierung verschlechterten, wurden die Zusammensetzungen der Testversionen für den Praxiseinsatz wieder auf die Validierungs-Versionen umgestellt.
Im Praxiseinsatz wurden Lehramtsstudierende in SL und Non-SL-Veranstaltungen rekrutiert und miteinander verglichen. Insgesamt nahmen N = 68 Personen an drei Messzeitpunkten teil (n = 30 in SL und n = 38 in Non-SL-Seminaren). Die Analysen zeigten, dass es zwischen den Gruppen keine signifikanten Unterschiede in den genutzten Instrumenten gab. Auch über die Zeit gab es nach der Bonferroni-Korrektur nur einen signifikanten Effekt (F (2,52) = 6.57, p = .003, η2 = .20). Es ist anzunehmen, dass diese Ergebnisse vor allem auf methodische Einschränkungen und Verbesserungsmöglichkeiten des entwickelten Testverfahrens zurückzuführen sind. Weitere Möglichkeiten werden diskutiert.