The many faces of GESIS
Vita
2024– : Research Associate and PhD student at GESIS Mannheim, department KEO, team Training / KODAQS Academy2022–2023: Research Associate at GESIS Mannheim, department SDM, team SDD / ZIS – Open Access Repository for Measurement Instruments
2021–2022: Research Associate at GESIS Mannheim,department SDM, team SDD / third-party funded project Foster
2010–2020: Extra-occupational studies of B.Sc. and M.Sc. Psychology at the FernUniversität in Hagen, research focus on Industrial and Organizational Psychology as well as Educational Psychology
Master Thesis: "Online Test Divergent Thinking – Short Version (OTD-S): Validation of a browser-based screening instrument for the measurement of creativity" (2019)
Bachelor Thesis: "Divergent age effects in intelligence diagnostics: Re-analysis of empirical data." (2015)
1998–2003: Studies of Graphic- and Communication Design, Lazi Akademie Esslingen; Diploma Thesis: "DIN standards – the measure of all things. An exhibition concept."
Service
• Scientific conceptualization and coordination of training and further education events as well as expert workshops of the KODAQS Data Quality Academy• Creation of training courses in the field of data quality
• Scientific supervision as part of the visiting scientist program
• Research and publication activities in the field of data quality and survey methodology
Research
• Measurement and modeling of cognitive (intelligence, creativity) and non-cognitive abilities (personality)• Consideration of developmental (e.g., biological age) and survey effects (instruction and timing) on data and outcome quality
Publications
Journal article
Lechner, Clemens, Thomas Knopf, Christopher Napolitano, Beatrice Rammstedt, Brent Roberts, Christopher Soto, and Marion Spengler. 2022. "The Behavioral, Emotional, and Social Skills Inventory (BESSI): Psychometric properties of a German-language adaptation, temporal stabilities of the skills, and associations with personality and intelligence." Journal of Intelligence 10 (3): 63. https://doi.org/10.3390/jintelligence10030063.
Danner, Daniel, Beatrice Rammstedt, Matthias Blümke, Clemens Lechner, Sabrina Berres, Thomas Knopf, Christopher Soto, and Oliver P. John. 2019. "Das Big-Five Inventar 2: Validierung eines Persönlichkeitsinventars zur Erfassung von 5 Persönlichkeitsdomänen und 15 Facetten." Diagnostica 65 (3): 121-132. doi: https://doi.org/10.1026/0012-1924/a000218.
Lechner, Clemens, Ai Miyamoto, and Thomas Knopf. 2019. "Should students be smart, curious, or both?: Fluid intelligence, Openness, and interest co-shape the acquisition of reading and math competence." Intelligence 76. doi: https://doi.org/10.1016/j.intell.2019.101378.
Data/Software
Groskurth, Katharina, Thomas Knopf, Melanie Partsch, Isabelle Schmidt, and Matthias Blümke. 2020. Stata Code for the Development and Validation of Measurement Instruments in the Social Sciences: Psychometric Analyses (Dimensionality, Reliability, Measurement Invariance). doi: https://doi.org/10.7802/1.1985.
Other article
Knopf, Thomas, Julian Urban, and Clemens Lechner. 2022. "Soziale, emotionale und selbstregulatorische Kompetenzen: Welche Kompetenzen wollen Eltern durch die Schule vermittelt sehen? Welche Kompetenzen schreiben sich Jugendliche zu?" In Projektbericht für die Bertelsmann-Stiftung,