Dr. S. (Suzanne) Jak
Faculty of Social and Behavioural Sciences
Programme group: Methods and statistics
Photographer: Sander Nieuwenhuys
Visiting address
- Roetersstraat 11
- Room number: 7.23
Postal address
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Postbus 15776
1001 NG Amsterdam
Contact details
Links
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Research
Suzanne Jak (associate professor) is interested in structural equation modeling (SEM) in general, and specifically in combination with measurement invariance, multilevel data, or meta-analysis (MASEM). MASEM combines using the most informative data with a technique that is so versatile that many other methods can come to be viewed as a form of SEM. Together with several researchers forming the MASEM lab, she aims to make the technique better known and more user friendly for researchers, and to develop new MASEM methods where needed. This has led to several publications on new methods, as well as tutorial articles, Shiny applications, and an instructive book (second edition forthcoming). Suzanne’s research was funded by prestigious VENI (2016) and VIDI (2020) awards from the Dutch Research Council.
Personal site: www.suzannejak.nl
https://rpubs.com/ZakWitkower/GoogleScholarWordcloud -
Publications
- refereed (54)
- academic (4)
- conference contributions (11)
- recognitions (10)
- supervised theses (3)
- doctoral thesis (1)
- datasets (2)
2025
- Jak, S., Jorgensen, T. D., Verdam, M. G. E., Oort, F. J., & Elffers, L. (2025). Author Correction: Analytical power calculations for structural equation modeling: A tutorial and Shiny app. Behavior Research Methods, 57(1), Article 53. https://doi.org/10.3758/s13428-024-02571-5
2024
- Groot, L. J., Kan, K. J., & Jak, S. (2024). Checking the inventory: Illustrating different methods for individual participant data meta-analytic structural equation modeling. Research synthesis methods, 15(6), 872-1247. https://doi.org/10.1002/jrsm.1735
- Jak, S., & W.-L. Cheung, M. (2024). A Cautionary note on using univariate methods for Meta-Analytic Structural Equation Modeling. Advances in Methods and Practices in Psychological Science, 7(4). https://doi.org/10.1177/25152459241274249
Jansen, D., Elffers, L., Jak, S., & Volman, M. L. L. (2024). Is a more selective exit exam related to shadow education use? An analysis of two cohorts of final-year secondary school students in the Netherlands. Oxford Review of Education, 50(1), 24-41. https://doi.org/10.1080/03054985.2023.2187364 [details]- Kolbe, L., Molenaar, D., Jak, S., & Jorgensen, T. D. (2024). Assessing measurement invariance with moderated nonlinear factor analysis using the R package OpenMx. Psychological Methods, 29(2), 388–406. https://doi.org/10.1037/met0000501 [details]
- Roorda, D. L., & Jak, S. (2024). Corrigendum to “Gender match in secondary education: The role of student gender and teacher gender in student-teacher relationships” [Journal of School Psychology, volume: 107, article number: 101363, pages 1–16] (Journal of School Psychology (2024) 107, (S0022440524000839), (10.1016/j.jsp.2024.101363)). Journal of School Psychology, 107, Article 101383. https://doi.org/10.1016/j.jsp.2024.101383
- Roorda, D. L., & Jak, S. (2024). Gender match in secondary education: The role of student gender and teacher gender in student-teacher relationships. Journal of School Psychology, 107, Article 101363. https://doi.org/10.1016/j.jsp.2024.101363
2023
- Jak, S., Jorgensen, T. D., ten Hove, D., & Nevicka, B. (2023). Modeling cluster-level constructs measured by individual responses: Configuring a shared approach. Advances in Methods and Practices in Psychological Science, 6(3). https://doi.org/10.1177/25152459231182319 [details]
- Jansen, D., Elffers, L., & Jak, S. (2023). A cross-national exploration of shadow education use by high and low SES families. International Studies in Sociology of Education, 32(3), 653-674. https://doi.org/10.1080/09620214.2021.1880332 [details]
- Leitgöb, H., Seddig, D., Asparouhov, T., Behr, D., Davidov, E., De Roover, K., Jak, S., Meitinger, K., Menold, N., Muthén, B., Rudnev, M., Schmidt, P., & van de Schoot, R. (2023). Measurement invariance in the social sciences: Historical development, methodological challenges, state of the art, and future perspectives. Social Science Research, 110, Article 102805. https://doi.org/10.1016/j.ssresearch.2022.102805 [details]
- Potters, O. T. A., van Schijndel, T. J. P., Jak, S., & Voogt, J. (2023). Two decades of research on children's creativity development during primary education in relation to task characteristics. Educational Research Review, 39, Article 100532. https://doi.org/10.1016/j.edurev.2023.100532 [details]
- Vints, W. A. J., Gökçe, E., Langeard, A., Pavlova, I., Çevik, Ö. S., Ziaaldini, M. M., Todri, J., Lena, O., Sakkas, G. K., Jak, S., Zorba (Zormpa), I., Karatzaferi, C., Levin, O., Masiulis, N., & Netz, Y. (2023). Myokines as mediators of exercise-induced cognitive changes in older adults: protocol for a comprehensive living systematic review and meta-analysis. Frontiers in Aging Neuroscience, 15, Article 1213057. https://doi.org/10.3389/fnagi.2023.1213057 [details]
- Downloads
- fnagi-15-1213057
- Supplementary files
- Table 1
- Data Sheet 1
- Downloads
2022
- Stolwijk, I., Jak, S., Eichelsheim, V., & Hoeve, M. (2022). Dealing with dependent effect sizes in MASEM: A comparison of different approaches using empirical data. Zeitschrift für Psychologie : Journal of Psychology, 230(1), 16-32. https://doi.org/10.1027/2151-2604/a000485 [details]
- Thijssen, L., van Tubergen, F., Coenders, M., Hellpap, R., & Jak, S. (2022). Discrimination of black and muslim minority groups in Western societies: Evidence from a meta-analysis of field experiments. International Migration Review, 56(3), 843-880. https://doi.org/10.1177/01979183211045044 [details]
- van Alphen, T., Jak, S., Jansen in de Wal, J., Schuitema, J., & Peetsma, T. (2022). Determining reliability of daily measures: An illustration with data on teacher stress. Applied Measurement in Education, 35(1), 63-79. https://doi.org/10.1080/08957347.2022.2034822 [details]
2021
- Eltanamly, H., Leijten, P., Jak, S., & Overbeek, G. (2021). Parenting in times of war: A meta-analysis and qualitative synthesis of war-exposure, parenting, and child adjustment. Trauma, Violence, & Abuse, 22(1), 147-160. Advance online publication. https://doi.org/10.1177/1524838019833001 [details]
- Downloads
- 1524838019833001
- Supplementary files
- 10 1177 1524838019833001
- Downloads
- Jak, S., Jorgensen, T. D., & Rosseel, Y. (2021). Evaluating cluster-level factor models with lavaan and Mplus. Psych, 3(2), 134-152. https://doi.org/10.3390/psych3020012 [details]
- Jak, S., Jorgensen, T. D., Verdam, M. G. E., Oort, F. J., & Elffers, L. (2021). Analytical power calculations for structural equation modeling: A tutorial and Shiny app. Behavior Research Methods, 53(4), 1385-1406. https://doi.org/10.3758/s13428-020-01479-0 [details]
- Downloads
- Jak2021 Article AnalyticalPowerCalculationsFor
- Supplementary files
- Author correction
- Downloads
- Jak, S., Li, H., Kolbe, L., de Jonge, H., & Cheung, MW-L. (2021). Meta‐analytic structural equation modeling made easy: A tutorial and web application for one‐stage MASEM. Research synthesis methods, 12(5), 590-606. https://doi.org/10.1002/jrsm.1498 [details]
- Kolbe, L., Oort, F., & Jak, S. (2021). Bivariate distributions underlying responses to ordinal variables. Psych, 3(4), 562-578. https://doi.org/10.3390/psych3040037 [details]
2020
- Jak, S., & Cheung, MW-L. (2020). Meta-analytic structural equation modeling with moderating effects on SEM parameters. Psychological Methods, 25(4), 430–455. Advance online publication. https://doi.org/10.1037/met0000245 [details]
- Jorgensen, T. D., & Jak, S. (2020). Review of Gana & Broc’s Structural Equation Modeling with lavaan: [Review of: K. Gana, G. Broc (2019) Structural equation modeling with lavaan]. Psychometrika, 85(2), 373-377. Advance online publication. https://doi.org/10.1007/s11336-020-09705-6 [details]
- de Jonge, H., Jak, S., & Kan, K-J. (2020). Dealing with artficially dichotomized variables in Meta-Analytic Structural Equation Modeling. Zeitschrift für Psychologie, 228(1), 25-35. Advance online publication. https://doi.org/10.1027/2151-2604/a000395 [details]
2019
- Jak, S. (2019). Cross-level invariance in multilevel factor models. Structural Equation Modeling, 26(4), 607-622. https://doi.org/10.1080/10705511.2018.1534205 [details]
- Kwok, O-M., Cheung, MW-L., Jak, S., Ryu, E., & Wu, JJ-Y. (Eds.) (2019). Recent advancements in Structural Equation Modeling (SEM): From both methodological and application perspectives. (Frontiers Research Topics). Frontiers Media. https://doi.org/10.3389/978-2-88945-743-4 [details]
- Melnyk, V., van Herpen, E., Jak, S., & van Trijp, H. C. M. (2019). The mechanisms of social norms’ influence on consumer decision making: A Meta-analysis. Zeitschrift für Psychologie, 227(1), 4-17. https://doi.org/10.1027/2151-2604/a000352 [details]
2018
- Cheung, MW.-L., & Jak, S. (2018). Challenges of Big Data Analyses and Applications in Psychology. Zeitschrift für Psychologie, 226(4), 209-211. https://doi.org/10.1027/2151-2604/a000348 [details]
- Jak, S., & Cheung, MW-L. (2018). Accounting for Missing Correlation Coefficients in Fixed-Effects MASEM. Multivariate Behavioral Research, 53(1), 1-14. Advance online publication. https://doi.org/10.1080/00273171.2017.1375886 [details]
- Jak, S., & Cheung, MW-L. (2018). Testing moderator hypotheses in meta-analytic structural equation modeling using subgroup analysis. Behavior Research Methods, 50(4), 1359-1373. Advance online publication. https://doi.org/10.3758%2Fs13428-018-1046-3 [details]
- Kwok, O.-M., Cheung, MW.-L., Jak, S., Ryu, E., & Wu, J.-Y. (2018). Editorial: Recent advancements in structural equation modeling (SEM): From both methodological and application perspectives. Frontiers in Psychology, 9, Article 1936. https://doi.org/10.3389/fpsyg.2018.01936 [details]
2017
- Jak, S. (2017). Testing and Explaining Differences in Common and Residual Factors Across Many Countries. Journal of Cross-Cultural Psychology, 48(1), 75-92. Advance online publication. https://doi.org/10.1177/0022022116674599 [details]
- Jak, S., & Jorgensen, T. D. (2017). Relating measurement invariance, cross-level invariance, and multilevel reliability. Frontiers in Psychology, 8, Article 1640. https://doi.org/10.3389/fpsyg.2017.01640 [details]
- Downloads
- fpsyg-08-01640
- JakJorgensen2017Frontiers
- Supplementary files
- data sheet 1
- Downloads
- Roorda, D. L., Jak, S., Zee, M., Oort, F. J., & Koomen, H. M. Y. (2017). Affective Teacher–Student Relationships and Students' Engagement and Achievement: A Meta-Analytic Update and Test of the Mediating Role of Engagement. School Psychology Review, 46(3), 239-261 . https://doi.org/10.17105/SPR-2017-0035.V46-3 [details]
2016
- Cheung, MW-L., & Jak, S. (2016). Analyzing big data in psychology: A Split/Analyze/Meta-Analyze Approach. Frontiers in Psychology, 7, 738.
- Hoeve, M., Jak, S., Stams, G. J. J. M., & Meeuws, W. H. J. (2016). Financial problems and delinquency in adolescents and young adults: a 6-year three-wave study. Crime and Delinquency, 62(11), 1488-1509. Advance online publication. https://doi.org/10.1177/0011128714541190 [details]
- Noordstar, J. J., van der Net, J., Jak, S., Helders, P. J. M., & Jongmans, M. J. (2016). The change in perceived motor competence and motor task values during elementary school: A longitudinal cohort study. British Journal of Developmental Psychology, 34(3), 427-446. Advance online publication. https://doi.org/10.1111/bjdp.12142 [details]
- Noordstar, J., Van der Net, J., Jak, S., Helders, P. J. M., & Jongmans, M. J. (2016). Global self-esteem, perceived athletic competence, and physical activity in children: A longitudinal cohort study. Psychology of Sport and Exercise, 22, 83-90.
- Oort, F. J., & Jak, S. (2016). Maximum likelihood estimation in meta-analytic structural equation modeling. Research synthesis methods, 7(2), 156-167. https://doi.org/10.1002/jrsm.1203 [details]
2015
- Delforterie, M. J., Creemers, H. E., Agrawal, A., Lynskey, M. T., Jak, S., & Huizink, A. C. (2015). The influence of age and gender on the likelihood of endorsing cannabis abuse/dependence criteria. Addictive Behaviors, 42, 172-175. Advance online publication. https://doi.org/10.1016/j.addbeh.2014.11.029 [details]
- Delforterie, M., Creemers, H., Agrawal, A., Lynskey, M., Jak, S., van der Ende, J., Verhulst, F., & Huizink, A. (2015). Functioning of cannabis abuse and dependence criteria across two different countries: the United States and the Netherlands. Substance Use & Misuse, 50(2), 242-250. https://doi.org/10.3109/10826084.2014.952445 [details]
- Jak, S. (2015). Meta-analytic structural equation modeling. Springer International Publishing.
- Jak, S., & Oort, F. J. (2015). On the power of the test for cluster bias. British Journal of Mathematical & Statistical Psychology, 68(3), 434-455. https://doi.org/10.1111/bmsp.12053 [details]
2014
- Jak, S. (2014). Testing strong factorial invariance using three-level structural equation modeling. Frontiers in Psychology, 5, Article 745. https://doi.org/10.3389/fpsyg.2014.00745
- Jak, S., Oort, F. J., & Dolan, C. V. (2014). Measurement bias in multilevel data. Structural Equation Modeling, 21(1), 31-39. https://doi.org/10.1080/10705511.2014.856694 [details]
- Jak, S., Oort, F. J., & Dolan, C. V. (2014). Using Two-Level Factor Analysis to Test for Cluster Bias in Ordinal Data. Multivariate Behavioral Research, 49(6), 544-553. https://doi.org/10.1080/00273171.2014.947353 [details]
2013
- Barendse, M. T., Oort, F. J., Jak, S., & Timmerman, M. E. (2013). Multilevel exploratory factor analysis of discrete data. Netherlands Journal of Psychology, 67(4), 114-121. http://www.psynip.nl/ledennet-documenten-nip-algemeen/njp/njp-openbaar/njop_vol67_nr4-def_cor.pdf [details]
- Griffioen, D. M. E., de Jong, U., & Jak, S. (2013). Research self-efficacy of lecturers in non-university higher education. Innovations in Education and Teaching International, 50(1), 25-37. https://doi.org/10.1080/14703297.2012.746512 [details]
- Jak, S., Oort, F. J., & Dolan, C. V. (2013). A test for cluster bias: Detecting violations of measurement invariance across clusters in multilevel data. Structural Equation Modeling, 20(2), 265-282. https://doi.org/10.1080/10705511.2013.769392 [details]
- Jak, S., Oort, F. J., Roorda, D. L., & Koomen, H. M. Y. (2013). Meta-analytic structural equation modelling with missing correlations. Netherlands Journal of Psychology, 67(4), 132-139. http://www.psynip.nl/ledennet-documenten-nip-algemeen/njp/njp-openbaar/njop_vol67_nr4-def_cor.pdf [details]
- Merz, E. M., & Jak, S. (2013). The long reach of childhood. Childhood experiences influence close relationships and loneliness across life. Advances in Life Course Research, 18(3), 212-222. https://doi.org/10.1016/j.alcr.2013.05.002 [details]
2012
- Koomen, H. M. Y., Verschueren, K., van Schooten, E., Jak, S., & Pianta, R. C. (2012). Validating the student-teacher relationship scale: testing factor structure and measurement invariance across child gender and age in a Dutch sample. Journal of School Psychology, 50(2), 215-234. https://doi.org/10.1016/j.jsp.2011.09.001 [details]
- Spilt, J. L., Koomen, H. M. Y., & Jak, S. (2012). Are boys better off with male and girls with female teachers? A multilevel investigation of measurement invariance and gender match in teacher-student relationship quality. Journal of School Psychology, 50(3), 363-378. https://doi.org/10.1016/j.jsp.2011.12.002 [details]
2010
- Jak, S., & Evers, A. (2010). Onderzoeksnotitie: Een vernieuwd meetinstrument voor organizational commitment. Gedrag en Organisatie, 23(2), 158-171. http://www.boomlemmatijdschriften.nl/tijdschrift/GenO/2010/2/GenO_2010_023_002_004 [details]
- Jak, S., Oort, F. J., & Dolan, C. V. (2010). Measurement bias and multidimensionality; an illustration of bias detection in multidimensonal measurement models. AStA-Advances in Statistical Analysis, 94(2), 129-137. https://doi.org/10.1007/s10182-010-0128-z [details]
2020
- Jak, S., & Cheung, MW-L. (2020). A commentary on Lv and Maeda (2019). Structural Equation Modeling, 27(3), 438-441. Advance online publication. https://doi.org/10.1080/10705511.2019.1688155 [details]
2017
- Jak, S. (2017). [Review of: M.W.L. Cheung (2015) Meta-analysis: A structural equation modeling approach]. Biometrics, 73(1), 357-358. https://doi.org/10.1111/biom.12673 [details]
2013
- Jak, S., Zand Scholten, A., & Oort, F. J. (2013). Preface : Non-standard structural equation modelling (Part 2). Netherlands Journal of Psychology, 67(4), 104-105. http://www.psynip.nl/ledennet-documenten-nip-algemeen/njp/njp-openbaar/njop_vol67_nr4-def_cor.pdf [details]
2012
- Jak, S., Zand Scholten, A., & Oort, F. J. (2012). Preface: Non-standard structural equation modelling. Netherlands Journal of Psychology, 67(3), 46-47. http://www.psynip.nl/ledennet-documenten-nip-algemeen/njp/njp-openbaar/njop_vol67_nr3-def.pdf [details]
2022
- de Jonge, H., Kan, K. J., & Jak, S. (2022). Synthesizing Randomized Controlled Trial Data with Meta-Analytic Structural Equation Modeling: Using d-to-r transformed effect sizes. Paper presented at International Meeting of the Psychometric Society (IMPS) 2022, Bologna, Italy.
- de Jonge, H., Kan, K. J., & Jak, S. (2022). Using Meta-Analytic Structural Equation Modeling to Synthesize Data of Randomized Controlled Trials. Paper presented at the conference "Structural Equation Modeling: New Developments and Applications" , Tilburg, Netherlands.
2021
- de Jonge, H., Kan, K. J., & Jak, S. (2021). Using Meta-Analytic Structural Equation Modeling to Synthesize Data of Randomized Controlled Trials. Paper presented at The 9th European Congress of Methodology (EAM), Valencia, Spain.
2020
- de Jonge, H., Jak, S., & Kan, K. J. (2020). Dealing with Artificially Dichotomized variables in Meta-Analytic Structural Equation Modeling. Paper presented at Psychoco 2020: International Workshop on Psychometric Computing, Dortmund, Germany.
2019
- Eltanamly, H., Leijten, P. H. O., Jak, S., & Overbeek, G. J. (2019). A meta-analysis and a qualitative-synthesis of how war-exposure affects parenting and child adjustment. Poster session presented at Biennial Meeting of the Society for Research in Child Development (SRCD) 2019, Baltimore, United States.
- de Jonge, H., Jak, S., & Kan, K. J. (2019). Dealing with Artificially Dichotomized Variables in Meta-Analytic Structural Equation Modeling. Paper presented at 84th annual International Meeting of the Psychometric Society, Santiago, Chile.
- de Jonge, H., Jak, S., & Kan, K. J. (2019). Dealing with Artificially Dichotomized Variables in Meta-Analytic Structural Equation Modeling. Paper presented at Research Synthesis 2019 , Dubrovnik , Croatia.
2018
- Eltanamly, H., Leijten, P. H. O., Jak, S., & Overbeek, G. J. (2018). Coming of age in a context of adversity: Parenting in times of war: Meta-analytical Structural Equation Modeling and Qualitative-Synthesis of how war-exposure affects parenting and youth adjustment. Paper presented at 16th conference of the European Association for Research on Adolescence (EARA) 2018, Ghent, Belgium.
- de Jonge, H., & Jak, S. (2018). A Meta-Meta-Analysis: Identifying Typical Conditions of Meta-Analyses in Educational Research. Paper presented at Research Synthesis 2018, Trier, Germany.
2017
- Roorda, D. L., Jak, S., Zee, M., Oort, F. J., & Koomen, H. M. Y. (2017). Teacher-student relationships and achievement:A meta-analysis on the mediating role of engagement. Paper presented at 17th Biennial conference of the European Association for Research on Learning and Instruction (EARLI) 2017, Tampere, Finland.
- Roorda, D. L., Jak, S., Zee, M., Oort, F. J., & Koomen, H. M. Y. (2017). Teacher-student relationships and students’ achievement: Using a meta-analytic approach to test the mediating role of engagement. Poster session presented at Biennial Meeting of the Society for Research in Child Development (SRCD) 2017, Austin, Texas, United States.
Prize / grant
- Jak, S. (2020). VIDI.
- Elffers, L. & Jak, S. (2017). NRO Overzichtsstudies 2017.
- Jak, S. (2016). Veni award.
Journal editor
- Jak, S. (editor) (2021-2025). Journal of Behavioral Data Science (Journal).
- Jak, S. (editor) (2018-2025). Zeitschrift fur Psychologie / Journal of Psychology (Journal).
- Jak, S. (editor) (2017-2025). Neuropsychology Review (Journal).
- Jak, S. (editor), Zand Scholten, A. (editor) & Oort, F. J. (editor) (2013). Netherlands Journal of Psychology (Journal).
- Jak, S. (editor), Zand-Scholten, A. (editor) & Oort, F. J. (editor) (2012). Netherlands Journal of Psychology (Journal).
Others
- Verdam, M. G. E. (organiser), Oort, F. J. (organiser), Kan, K. J. (organiser), Jak, S. (organiser), Kolbe, L. (organiser) & Jorgensen, T. (organiser) (15-3-2018 - 16-3-2018). Meeting of the SEM Working Group 2018, Amsterdam (organising a conference, workshop, ...). http://www.uni-bielefeld.de/soz/personen/reinecke/wg_sem/meetings.html
- Verdam, M. (organiser), Jak, S. (organiser), Kan, K. (organiser), Kolbe, L. (organiser), Oort, F. (organiser) & Jorgensen, T. (participant) (15-3-2018 - 16-3-2018). Meeting of the SEM Working Group 2018, Amsterdam (organising a conference, workshop, ...). https://www.uni-bielefeld.de/fakultaeten/soziologie/fakultaet/personen/reinecke/wg_sem/2018/index.xml
2025
- de Jonge, H. (2025). Meta-analytic structural equation modeling with group data: Navigating the maze of d-to-r conversions. [Thesis, fully internal, Universiteit van Amsterdam]. [details]
- Downloads
- Thesis (complete) (embargo until 27 March 2027)
- Front matter
- Chapter 1: General introduction
- Chapter 2: Dealing with artificially dichotomized variables in meta-analytic structural equation modeling
- Chapter 3: How to synthesize randomized controlled trial data with meta-analytic structural equation modeling: A comparison of various d-to-rpb conversions (embargo until 27 March 2027)
- Chapter 4: Can we include dichotomous variables in meta-analytic structural equation modeling? Mind the prevalence (embargo until 27 March 2027)
- Chapter 5: General discussion
- Appendices and supplementary materials belonging to chapter 3 (embargo until 27 March 2027)
- Appendix and supplementary materials belonging to chapter 4 (embargo until 27 March 2027)
- References (embargo until 27 March 2027)
- Summary; Samenvatting in het Nederlands (summary in Dutch); Publications and author contributions
- Downloads
2022
2021
- Jansen, D. (2021). Shadow education in the Netherlands: The position of shadow education in the educational landscape and students’ school careers. [Thesis, fully internal, Universiteit van Amsterdam]. [details]
- Downloads
- Thesis (complete)
- Front matter
- Chapter 1: Introduction
- Chapter 2: A cross-national exploration of shadow education use by high and low SES families
- Chapter 3: Is a more selective exit exam related to shadow education use? An analysis of two cohorts of final-year secondary school students in the Netherlands
- Chapter 4: A place between school and home: Exploring the place of shadow education in students’ academic lives in the Netherlands
- Chapter 5: And then there were three: (Re-)distributing educational responsibilities in response to the growing use of shadow education in the Netherlands
- Chapter 6: General discussion and conclusion
- References
- Appendices
- Dutch summary; English summary; Contributions of authors; About the author; Publications and presentations; ICO dissertation series; Dankwoord
- Downloads
2013
- Jak, S. (2013). Cluster bias: Testing measurement invariance in multilevel data. [Thesis, fully internal, Universiteit van Amsterdam]. [details]
- Downloads
- Thesis
- Cover
- Title pages
- Contents
- Introduction
- Chapter 1: Measurement bias and multidimensionality: An illustration of bias detection in multidimensional measurement models
- Chapter 2: A test for cluster bias: Detecting violations of measurement invariance across clusters in multilevel data
- Chapter 3: Using two-level ordinal factor analysis to test for cluster bias in ordinal data
- Chapter 4: On the power of the test for cluster bias
- Chapter 5: Measurement bias in multilevel data
- Summary and discussion
- References
- Samenvatting / Summary in Dutch
- Dankwoord / Acknowledgements
- Downloads
2025
- Vints, W., Gökçe, E., Langeard, A., Pavlova, I., çevik, ö., Mosaferi Ziaaldini, M., Todri, J., Lena, O., Shalom, S., Jak, S., Zorba (Zormpa), I., Karatzaferi, C., Levin, O., Masiulis, N. & Netz, Y. (4-3-2025). Dataset related to article: Investigating the mediating effect of myokines on exercise-induced cognitive changes in older adults: a living systematic review and meta-analysis. Zenodo. https://doi.org/10.5281/zenodo.14967888
2019
- Janssen, J., van Leeuwen, A., Jansen, R. S., Jak, S. & Kester, L. (2019). Data for: Self-Regulated Learning Partially Mediates the Effect of Self-Regulated Learning Interventions on Achievement in Higher Education: a Meta-Analysis. Mendeley Data. https://doi.org/10.17632/hfdy8dr994.1
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Ancillary activities
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SRSM
Society for Research Synthesis Methods, board member (local arrangements chair) -
Neuropsychology Review
Associate Editor
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SRSM
Jansen, D., Elffers, L., Jak, S., & Volman, M. L. L. (2024). Is a more selective exit exam related to shadow education use? An analysis of two cohorts of final-year secondary school students in the Netherlands. Oxford Review of Education, 50(1), 24-41.