Consultation hours: Wednesday 15:00-16:00 after prior registration by e-mail
One app to rule them all: A one-stop Shiny app and guide for 95 effect-size variants for two-group comparisons of central tendency, variability, overlap, dominance, and distributional tails
Tran, U. (Speaker), Gyimesi, M. L. (Contributor), Webersberger, V. (Contributor), Del Giudice, M. (Contributor) & Voracek, M. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
VALID: An adaptive tool to strengthen research validity
Kerschbaumer, S. (Speaker), Voracek, M. (Contributor) & Tran, U. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
The Decline Effect Permeates Not Only Intelligence Research, But Psychology as a Whole: Meta-Meta-Analytic Evidence From 648 Meta-Analyses
Steininger, B. (Speaker), Siegel, M. (Contributor), Tran, U. (Contributor), Wicherts, J. M. (Contributor), Oberleiter, S. (Contributor), Voracek, M. (Contributor) & Pietschnig, J. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
One app to rule them all: A one-stop calculator and guide for 95 effect-size variants for two-group comparisons
Tran, U. (Speaker), Gyimesi, M. L. (Contributor), Webersberger, V. (Contributor), Del Giudice, M. (Contributor) & Voracek, M. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Statistics chatbots in academia: Mapping psychology students’ conversations with a large language model (LLM)
Bergmann, L. (Speaker), Britz, L. (Contributor), Roth, B. (Contributor) & Tran, U. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
The idea that the null hypothesis is never true (anyway): A preregistered systematic review and construct clarification of Meehl’s crud factor
Beckenbach, R. (Speaker), Tran, U. (Contributor) & Voracek, M. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Two for one: Wineq plots for the integrated visualization of fixed-effect and random-effects models
Pilar, V. (Speaker), Voracek, M. (Contributor) & Tran, U. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
VALID: A researcher’s guide to strengthening validity
Kerschbaumer, S. (Speaker), Voracek, M. (Contributor) & Tran, U. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
The Decline Effect in Psychological Science: Patterns, Predictors, and Implications for Research Practices
Steininger, B. (Speaker), Siegel, M. (Contributor), Tran, U. (Contributor), Wicherts, J. M. (Contributor) & Pietschnig, J. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Decline effects in the empirical sciences: Meta-meta-analytic evidence from (Educational) Psychology
Steininger, B. (Speaker), Siegel, M. (Contributor), Tran, U. (Contributor), Bühler, R. (Contributor), Eder, J. S. N. (Contributor), Schock, L. S. (Contributor), Wicherts, J. M. (Contributor) & Pietschnig, J. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Stress, Trauma, and Core Premenstrual Disorders: A Systematic Review and Comprehensive Meta-Analysis.
Bencker, C. (Speaker), Tran, U. (Contributor), Roth, L. (Contributor), Nayman, S. (Contributor) & Nater, U. M. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
The mind’s abyss: Exploring the adverse effects of distinct forms of meditation
Szaszkó, B. (Speaker) & Tran, U. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Die Rolle von Stress und Trauma bei Prämenstruellen Symptomen: Erkenntnisse aus einer umfassenden Übersichtsarbeit
Bencker, C. (Speaker), Tran, U. (Contributor), Roth, L. (Contributor), Nayman, S. (Contributor) & Nater, U. M. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Linking Stress to Premenstrual Symptoms: Insights from a Comprehensive Meta-Analysis
Bencker, C. (Speaker), Tran, U. (Contributor), Roth, L. (Contributor), Nayman, S. (Contributor) & Nater, U. M. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
The systematic nature of the decline effect: Evidence from 278 meta-analyses in psychological research
Steininger, B. (Speaker), Siegel, M. (Contributor), Tran, U. (Speaker), Wicherts, J. M. (Contributor) & Pietschnig, J. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
The Role of Stress in Premenstrual Symptomatology: Findings from a Systematic Review and Comprehensive Meta-Analysis
Bencker, C. (Speaker), Tran, U. (Contributor), Roth, L. (Contributor), Nayman, S. (Contributor) & Nater, U. M. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Premenstrual Symptoms and Stress: A Meta-Analytic Investigation
Bencker, C. (Speaker), Tran, U. (Contributor), Roth, L. (Contributor), Nayman, S. (Contributor) & Nater, U. M. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Baseline trait mindfulness moderates the efficacy of mindfulness interventions and active controls: A meta-analysis of 125 randomized controlled trials
Sieder, K. (Speaker), Voracek, M. (Speaker) & Tran, U. (Speaker)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
(How) does it work? Mindfulness and psychosocial interventions through the lens of cutting-edge research syntheses and linguistic analysis
Tran, U. (Speaker), Almenräder, F. (Speaker), Sieder, K. (Speaker), Fischer, A. (Speaker), Schwartz, K. (Speaker) & Asakawa-Haas, K. (Speaker)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Langeweile und Leistung: Eine Mehrebenen-Meta-Analyse
Stempfer, L. (Speaker), Götz, T. (Speaker), Voracek, M. (Speaker), van Tilburg, W. A. P. (Speaker), Tran, U. (Speaker) & Pekrun, R. (Speaker)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
One year of ChatGPT hype: An umbrella review and systematic scoping review of large language models (LLMs) to gauge their applicability in the research process
Bergmann, L. (Speaker), Beckenbach, R. (Speaker) & Tran, U. (Speaker)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Personality change mediates the efficacy of mindfulness-based interventions: A systematic review and meta-analysis.
Tran, U. (Speaker), Almenräder, F. (Speaker), Heßmann, G. S. (Speaker) & Voracek, M. (Speaker)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Psychosocial interventions and survival time in cancer patients: A coherent conclusion to a controversial topic by a systematic review, meta-analysis, and multiverse meta-analysis of randomized controlled trials.
Asakawa-Haas, K. (Speaker), Spiegel, D. (Speaker), Bossert, L. (Speaker), Garic, A. (Speaker), Vilsmeier, J. (Speaker), Voracek, M. (Speaker) & Tran, U. (Speaker)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Semantic and sentiment similarities between mindfulness, Big Five, emotion regulation, and mental health scales: A quantitative linguistic analysis
Fischer, A. (Speaker), Voracek, M. (Speaker) & Tran, U. (Speaker)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
The impact of mindfulness-based mobile apps on well-being in nonclinical populations: A systematic review of randomized controlled trials
Schwartz, K. (Speaker), Ganster, F. M. (Speaker) & Tran, U. (Speaker)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Premenstrual symptoms and stress: A meta-analytic investigation. 53rd Congress of the German Psychological Societ
Bencker, C. (Speaker), Tran, U. (Speaker), Roth, L. (Speaker), Nayman, S. (Speaker) & Nater, U. M. (Speaker)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Does teacher training support implementing inclusive education? - A systematic meta-analysis
Donath, J. L. (Contributor), Graf, E. (Speaker), Tran, U. (Contributor), Lüke, T. (Contributor) & Götz, T. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
And the dark triad lives happily ever after ... Using community-augmented meta-analyses to keep evidence replicable, reusable, and alive
Bucher, L. (Contributor), Tran, U. (Speaker) & Voracek, M. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Common method variance contributes to the construct overlap of self reported trait mindfulness and mental health: Evidence from linguistic and meta analyses
Tran, U. (Speaker), Voracek, M. (Contributor) & Fischer, A. (Speaker)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Sind Fortbildungen zu Inklusiver Bildung effektiv? – Eine Meta-Analyse
Donath, J. L. (Speaker), Lüke, T. (Contributor), Graf, E. (Contributor), Tran, U. (Contributor) & Götz, T. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Die Rolle von Disposition und Kultivierbarkeit in der Achtsamkeitsforschung. Eine systematische Analyse am Beispiel des Five Facet Mindfulness Questionnaire (FFMQ)
Burzler, M. A. (Speaker) & Tran, U. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Do new conspiracy beliefs fade with time? A multigroup cross-lagged panel analytic approach to conspiracist beliefs about Osama bin Laden’s death
Starlinger, A. (Speaker), Tran, U. (Contributor), Pietschnig, J. (Contributor), Stieger, S. (Contributor), Swami, V. (Contributor) & Voracek, M. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Introducing cross-temporal multiverse analysis for robustness tests of dynamically changing data
Panzenböck, A. (Speaker), Tran, U. (Contributor) & Voracek, M. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Mediation analysis with multilevel meta-analysis: An illustrative example from intervention research
Tran, U. (Speaker), Birnbaum, L. (Contributor), Burzler, M. A. (Contributor), Hegewisch, U. J. C. (Contributor), Ramazanova, D. (Contributor) & Voracek, M. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Novel replication metrics and graphical displays derived from combinatorial meta-analysis
Vilsmeier, J. (Speaker), Tran, U. (Contributor) & Voracek, M. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Sharing “living” meta-analytic data with PsychOpen CAMA: The implementation of a community-augmented meta-analysis on the dark triad of personality
Bucher, L. (Speaker), Tran, U. (Contributor), Prinz, G. M. (Contributor), Burgard, T. (Contributor), Bosnjak, M. (Contributor) & Voracek, M. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Pre-performance routines facilitate sport performance under pressure: A meta-analysis
Gröpel, P. (Speaker), Rupprecht, A. (Contributor) & Tran, U. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Open the door to your data and let the meta-analysis live: Using PsychOpen CAMA to implement a community-augmented meta-analysis on the dark triad of personality
Bucher, L. (Speaker), Tran, U. (Contributor), Prinz, G. M. (Contributor), Burgard, T. (Contributor), Bosnjak, M. (Contributor) & Voracek, M. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Expanding open and transparent meta-analytic data with PsychOpen CAMA: The implementation of a community-augmented meta-analysis on the Dark Triad of personality
Bucher, L. (Speaker), Tran, U. (Contributor), Prinz, G. M. (Contributor), Burgard, T. (Contributor), Bosnjak, M. (Contributor) & Voracek, M. (Speaker)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Smaller Flynn effects for crystallized intelligence may be rooted in item obsolescence: Results from archival data and a direct test of generational IQ gains
Pietschnig, J. (Speaker), Gittler, G. (Speaker), Höltl, F. (Speaker), Tran, U. (Speaker) & Voracek, M. (Speaker)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
No specificity of psychometric mindfulness in accounting for the effects of mindfulness interventions on mental health: A systematic review and three-level meta-analysis of randomized controlled trials
Tran, U. (Invited speaker), Burzler, M. A. (Invited speaker), Hegewisch, U. J. C. (Invited speaker) & Voracek, M. (Invited speaker)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
When is a replication successful? A systematic evaluation of multiple replication outcome indicators across contemporary multi-sample replication studies
Voracek, M. (Invited speaker), Kossmeier, M. (Invited speaker), Slowik, A. (Invited speaker) & Tran, U. (Invited speaker)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Long-term trends (1980-2017) in the N-pact factor of journals in personality psychology and individual differences research
Kossmeier, M. (Invited speaker), Vilsmeier, J. (Speaker), Dittrich, R. (Speaker), Fritz, T. (Speaker), Kolmanz, C. (Speaker), Plessen, C. Y. (Speaker), Slowik, A. (Speaker), Tran, U. (Speaker) & Voracek, M. (Speaker)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Introducing specification-curve and multiverse meta-analysis for building integrative, consilient empirical knowledge
Voracek, M. (Speaker), Kossmeier, M. (Speaker) & Tran, U. (Speaker)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Utilizing multi-level meta-analysis to perform mediation analysis in intervention research
Tran, U. (Speaker), Burzler, M. A. (Speaker) & Voracek, M. (Speaker)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Associations of the functional CAGn polymorphism in the human androgen receptor gene with psychological traits: Systematic review, meta-analysis, and field synopsis of the evidence, 1993-2018
Schwabe, A. (Speaker), Tran, U. (Contributor) & Voracek, M. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Smaller Flynn effects for crystallized intelligence may be rooted in item obsolescence: Results from archival data and a direct test of generational IQ changes
Pietschnig, J. (Speaker), Gittler, G. (Contributor), Höltl, F. (Contributor), Tran, U. (Contributor) & Voracek, M. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
The conundrum of twin-singleton differences in intelligence: A centenary (1924-2018), preregistered meta-analysis
Plessen, C. Y. (Speaker), Lammer, A. (Contributor), Tran, U. (Speaker) & Voracek, M. (Speaker)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Die Steigerung von Achtsamkeit und die Effektivität Mindfulness-basierter Therapien: Eine Mehrebenen-Meta-Analyse randomisiert kontrollierter Studien
Burzler, M. A. (Speaker), Voracek, M. (Contributor) & Tran, U. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Sexuelle Orientierung und laterale Präferenzen: Differentielle Zusammenhänge von Händigkeit und Füßigkeit mit Bisexualität und Homosexualität bei Männern und Frauen
Tran, U. (Speaker), Kossmeier, M. (Contributor) & Voracek, M. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Visuelle Inferenz in Meta-Analysen zur zufallskritische Absicherung der Interpretation von Funnel Plots: Grundlagen, Power und interindividuelle Unterschiede
Kossmeier, M. (Speaker), Tran, U. (Contributor) & Voracek, M. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Visual funnel plot inference for meta-analysis
Kossmeier, M. (Speaker), Tran, U. (Contributor) & Voracek, M. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Mixed-handedness and left-footedness replicably predict bisexuality and homosexuality among women but not men in two large and independent community samples
Tran, U. (Speaker), Kossmeier, M. (Contributor) & Voracek, M. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
New meta-research on the validity of the digit ratio (2D:4D) biomarker for prenatal androgen action
Voracek, M. (Speaker), Kossmeier, M. (Contributor) & Tran, U. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Summarizing the evidential value of research fields using citation network analysis: A case study
Kossmeier, M. (Speaker), Tran, U. (Contributor) & Voracek, M. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Visual funnel plot inference for meta-analysis
Kossmeier, M. (Speaker), Tran, U. (Speaker) & Voracek, M. (Speaker)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Visuelle Inferenz in Meta-Analysen zur zufallskritischen Absicherung der Interpretation von Funnel Plots: Grundlagen, Power und interindividuelle Unterschiede.
Kossmeier, M. (Speaker), Tran, U. (Speaker) & Voracek, M. (Speaker)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Prevalence and severity of psychological distress among early-career researchers: a systematic review and multilevel meta-analysis
Dreisörner, A. (Speaker), Goetz, V. (Contributor), Frohnmayer, D. (Contributor), Tran, U. (Contributor), Voracek, M. (Contributor) & Nater, U. M. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Mixed-footedness is a more relevant predictor of schizotypy than mixed-handedness
Tran, U. (Speaker)
Activity: Talks and presentations › Talk or oral contribution › Other
Ein 2014-Update und systematischer Überblick zur Replizierbarkeits- und Vertrauenskrise in der psychologischen Forschung
Tran, U. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Other
Arbeitspsychologische Analyseverfahren: Was steckt eigentlich dahinter?
Tran, U. (Invited speaker)
Activity: Talks and presentations › Talk or oral contribution › Other
Molekulargenetische Grundlagen suizidalen Verhaltens: Eine Bestandsaufnahme zu Heterogenitätsquellen in aktualisierten Meta-Analysen
Tran, U. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Other
Development of a scale to measures knowledge about suicide postvention
Tran, U. (Speaker)
Activity: Talks and presentations › Talk or oral contribution › Other
Molecular genetic basis of suicidal behavior: An appraisal of sources of heterogeneity in updated meta-analyses
Tran, U. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Other
Wartime rape: Influence on current mental health in a sample of elderly Austrians
Tran, U. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Other
Testtheorie und die Evaluierung psychischer Belastungen
Tran, U. (Invited speaker)
Activity: Talks and presentations › Talk or oral contribution › Other
Aufmerksamkeitsverzerrungen bei der Wahrnehmung sozialer Interaktionen: Einfluss von Geschlecht und Stimuluspräsentationsdauer.
Tran, U. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Other
Der Einfluss meta-analytischer Methoden auf das Ergebnis: Re-Analyse der vorhandenen Evidenz zur relativen Wirksamkeit psychologischer Verfahren in der Behandlung der posttraumatischen Belastungsstörung – Dodo or not?
Tran, U. (Speaker)
Activity: Talks and presentations › Talk or oral contribution › Other
Evidenz gegen das Dogma der Entwicklungsstabilität von Digit Ratio (2D:4D), einem Marker für pränatale Geschlechtshormon-Exposition
Tran, U. (Speaker)
Activity: Talks and presentations › Talk or oral contribution › Other
The truth is out there – in the totality of empirical evidence: Nutzen, Wert und Notwendigkeit kumulativer Evidenz (Meta-Analysen und systematische Reviews) in der psychologischen Forschung
Tran, U. (Speaker)
Activity: Talks and presentations › Talk or oral contribution › Other
Untersuchung der Dimensionalität eines Suizid-Fragebogens mittels Mokken-Analyse und konfirmatorischer Faktorenanalyse
Tran, U. (Speaker)
Activity: Talks and presentations › Talk or oral contribution › Other
Declining autopsy rates and suicide misclassification: Do we have a problem?
Tran, U. (Speaker)
Activity: Talks and presentations › Talk or oral contribution › Other
Investigating dimensionality by means of Mokken analysis and confirmatory factor analysis
Tran, U. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Other
Serotonerges System und suizidales Verhalten: Zwei Meta-Analysen zu molekulargenetischen persönlichkeitspsychologischen Grundlagen
Tran, U. (Speaker)
Activity: Talks and presentations › Talk or oral contribution › Other
Attentional bias in the perception of social situations: the impact of image complexity
Tran, U. (Speaker)
Activity: Talks and presentations › Talk or oral contribution › Other
Happy and angry faces, short presentation durations, and intermediate subgroups: Investigating the dot probe task in more detail
Tran, U. (Speaker)
Activity: Talks and presentations › Talk or oral contribution › Other
Happy and angry faces, short presentation durations, and intermediate subgroups: Investigating the dot probe task in more detail.
Tran, U. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Other
Investigating attentional bias and its relation to gender with event-related potentials
Tran, U. (Speaker)
Activity: Talks and presentations › Talk or oral contribution › Other
Investigating attentional bias and its relation to gender with event-related potentials.
Tran, U. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Other
Startwertabhängigkeit von Itemparametern im Zwei-Parameter logistischen Modell
Tran, U. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Other
Die Biene überträgt also Malaria? Dimensionalität und Geschlechtsunterschiede im Allgemeinwissen Jugendlicher.
Tran, U. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Other
Vergleich unterschiedlicher Ansätze der Dimensionalitätsbestimmung psychologischer Tests am Beispiel der Water-Level Tasks von Piaget
Tran, U. (Speaker)
Activity: Talks and presentations › Talk or oral contribution › Other
Kriterien der Dimensionalitätsbestimmung in der Faktorenanalyse dichotomer Variablen
Tran, U. (Speaker)
Activity: Talks and presentations › Talk or oral contribution › Other
"Nun sag, wie hast du's mit den Schwierigkeitsfaktoren?"
Tran, U. (Speaker)
Activity: Talks and presentations › Talk or oral contribution › Other
Eindimensionalität: statistische Konzepte und Methoden
Tran, U. (Speaker)
Activity: Talks and presentations › Talk or oral contribution › Other
Department of Cognition, Emotion, and Methods in Psychology
Liebiggasse 5
1010 Wien
Room: O3.12
T: +43-1-4277-47119
