Jelte Wicherts home

Updated: May, 21, 2013

Jelte's curriculum vitae

Jelte's PhD Thesis (2007)

Papers on data sharing, human factors in statistics, and science policy:

Asendorpf, J. B., Conner, M., De Fruyt, F., De Houwer, J., Denissen, J. J. A., Fiedler, K., Fiedler, S, Funder, D. C., Kliegl, R., Nosek, B. A., Perugini, M., Roberts, B. W., Schmitt, M., van Aken, M. A. G., Weber, H., & Wicherts, J. M. (2013). Recommendations for increasing replicability in psychology European Journal of Psychology, 27, 108-119. Asendorf et al. (2013)
Bakker, M., van Dijk, A, & Wicherts, J. M., (2012). The rules of the game called psychological science Perspectives on Psychological Science, 7, 543-554. Bakker et al. (2012).
Wicherts, J. M. & Assen, M.A.L.M. van (2011). Research fraud: Speed up reviews of misconduct Nature, 488, 591 Link Nature
Wicherts, J. M., Kievit, R. A., & Borsboom, D. (2012). Letting the daylight in: Reviewing the reviewers and other ways to maximize transparency in science. Frontiers in Computational Neuroscience link
Wicherts, J.M. & Bakker, M. (2012). Publish (your data) or (let the data) perish! Why not publish your data too? Intelligence,40, 73-76. Wichertsbakker2012.pdf,the meta-data, and the free data!
Wicherts, J. M. (2011). Psychology must learn a lesson from fraud case Nature, 480, 7 Link Nature
Wicherts, J. M., Bakker, M. & Molenaar, D. (2011). Willingness to share research data is related to the strength of the evidence and the quality of reporting of statistical results. PLoS ONE Wicherts et al. (2011).
Bakker, M. & Wicherts, J. M. (2011). The (mis)reporting of statistical results in psychology journals. Behavior Research Methods, 43, 666-678. BakkerWicherts2011.pdf
Wicherts, J.M. & Bakker, M. The poor availability of research data for reanalysis has just become much poorer. Unpublished. APA02.pdf (a shortened version of this paper was published in Nature ).
Wicherts, J.M., Borsboom, D., Kats, J., & Molenaar, D. (2006). The poor availability of psychological research data for reanalysis. American Psychologist, 61, 726-728. datasharing.pdf

Papers related to group differences in IQ:

Wicherts, J. M., Dolan, C. V., Carlson, J. S., & van der Maas, H. L. J. (2010). Raven’s test performance of sub-Saharan Africans; mean level, psychometric properties, and the Flynn Effect. Learning and Individual Differences, 20, 135-151. IQAfricaRaven.pdf
Wicherts, J. M., Dolan, C. V., Carlson, J. S., & van der Maas, H. L. J. (2010). Another failure to replicate Lynn's estimate of the average IQ of sub-Saharan Africans. Learning and Individual Differences, 20, 155-157. IQAfricaRavenrej.pdf
Wicherts, J. M., Borsboom, D., & Dolan, C. V. (2010). Why national IQs do not support evolutionary theories of intelligence. Personality and Individual Differences, 48, 91-96. nationalIQPAID.pdf DATASET in SPSS format (use "save as" to download)
Wicherts, J. M., Borsboom, D., & Dolan, C. V. (2010). Evolution, brain size, and the national IQ of peoples around 3000 years B.C. [rejoinder to comments] Personality and Individual Differences, 48, 104-106.wichertsPAIDrejoinder.pdf
Wicherts, J. M., Dolan, C. V., & Van der Maas, H. L. J. (2010). A systematic literature review of the average IQ of sub-Saharan Africans. Intelligence, 38, 1-20. wicherts2010AFR.pdf
Wicherts, J. M., Dolan, C. V., & Van der Maas, H. L. J. (2010). The dangers of unsystematic selection methods and the representativeness of 46 samples of African test-takers [rejoinder to Lynn & Meisenberg, 2010] Intelligence, 38, 30-37. IQrejoinder.pdf
Wicherts, J. M., & Johnson, W. (2009). Group differences in the heritability of items and test scores. Proceedings of the Royal Society: B., 276, 2675–2683. wichertsjohnson2009.pdf
Wicherts, J.M. (2008). Book review of J.R. Flynn (2007): What is intelligence? Beyond the Flynn Effect. Netherlands Journal of Psychology, 64, 41-43. FlynnRef.pdf
Wicherts, J.M., & Wilhelm, O. (2007). What is national g? European Journal of Personality, 21, 763-765.wichertswilhelm2007.pdf
Dolan, C. V., Colom, R., Abad, F. J., Wicherts, J. M., Hessen, D. J., & van der Sluis, S. (2006). Multi-group covariance and mean structure modeling of the relationship between WAIS-III common factors and gender and educational attainment in Spain. Intelligence, 34, 193-210 dolan2006.pdf
Wicherts, J.M., Dolan, C.V., Hessen, D.J., Oosterveld, P., Baal, G.C.M. van, Boomsma, D.I., & Span, M.M. (2004). Are intelligence tests measurement invariant over time? Investigating the nature of the Flynn effect. Intelligence, 32, 509-537. flynninvarrev.pdf Lisrel files: zipped
Dolan, C. V., Roorda, W., & Wicherts, J. M. (2004). Two failures of Spearman's hypothesis: The GAT-B in Holland and the JAT in South Africa. Intelligence, 35, 155-173. DolanSH2004.pdf

Papers on stereotype threat and test anxiety

Wicherts, J. M. & Zand Scholten, A. (2010). Test anxiety and the validity of cognitive tests: A confirmatory factor analysis perspective and some empirical findings. Intelligence, 38, 169-178. wichertszands2010.pdf
Wicherts, J.M., Dolan, C.V., & Hessen, D.J.(2005). Stereotype threat and group differences in test performance: A question of measurement invariance. Journal of Personality and Social Psychology, 89, 696-716. STinvardef.pdf LISREL FILES: Zipped
Wicherts, J.M. (2005). Stereotype threat research and the assumptions underlying analysis of covariance. American Psychologist, 60, 267-269. STancovadef.pdf

Papers on measurement invariance

Wicherts, J. M. & Dolan, C. V. (2010). Measurement invariance in confirmatory factor analysis; An illustration using IQ test performance of minorities Educational Measurement: Issues & Practice, 29, 3, 39-47. wichertsdolan2010.pdf Summary statistics are here: dataWD.pdf
Wicherts, J.M., & Millsap, R.E. (2009). The absence of underprediction does not imply the absence of measurement bias. American Psychologist. commentAMP.pdf
Borsboom, D., J.W. Romeijn, & Wicherts, J.M. (2008). Measurement invariance versus selection invariance: Is fair selection possible? Psychological Methods, 13, 75-98.borsboom2008.pdf

SEM-related topics:

Kievit, R. A., Romeijn, J. W., Waldorp, L. J., Wicherts, J. M., Scholte, H. S., & Borsboom, D. (2011). Modeling mind and matter: Reductionism and psychological measurement in cognitive neuroscience. Psychological Inquiry, 22 139-157 . Kievit2011.pdf
Dolan, C. V., Oort, F. J., Stoel, R. D., & Wicherts, J. M. (2009). Testing Measurement Invariance in the Target Rotated Multigroup Exploratory Factor Model Structural Equation Modeling, 16, 295-314. dolanSEM2009.pdf
Molenaar, D., Dolan, C. V., & Wicherts, J. M. (2009). The power to detect sex differences in IQ test scores using multi-group covariance and means structure analyses. Intelligence, 37, 396-404. molenaarpower2009.pdf
Hessen, D. J., Dolan, & Wicherts, J. M. (2006). The multi-group common factor model with minimal uniqueness constraints and the power to detect uniform bias. Applied Psychological Measurement, 30, 233-246. hessenAPM2006.pdf
Dolan, C.V., Wicherts, J.M., & Molenaar, P.C.M. (2004). A note on the relationship between the number of indicators and their reliability in detecting regression coefficients in latent regression analysis. Structural Equation Modeling, 11, 210-216. Dolan2004.pdf
Wicherts, J.M., & Dolan, C.V. (2004). A cautionary note on the use of information fit indices in covariance structure modeling with means. Structural Equation Modeling, 11, 45-50. cautionarynote.pdf

Miscellaneous topics:

Ter Kuile, H., Veldhuis, M., Veen, S. van, & Wicherts, J. M. (2011). Bilingual education, metalinguistic awareness, and the understanding of an unknown language. Bilingualism: Language and Cognition, 14, 233-242. terkuile2011.pdf
Smits, I. A. M., Dolan, C. V., Vorst, H. C. M., Wicherts, J. M., & Timmerman, M. E. (2011). Cohort differences in big five personality factors over a period of 25 years. Journal of Personality and Social Psychology, 100, 1124-1138. smits2011.pdf
Wicherts, J. M. & Vorst, H. C. M. (2010). The relation between specialty choice of psychology students and their interests, personality, and cognitive abilities Learning and Individual Differences, 20, 494-500. wichertsvorst2010.pdf
Wicherts, J. M. (2009). The impact of papers published in Intelligence 1977-2007 and an overview of the citation classics. Intelligence, 37, 443-446. wichertsimp2010.pdf data file
De Boo, G. M. & Wicherts, J. M. (2009). Assessing Cognitive and Behavioral Coping Strategies in Children. Cognitive Therapy & Research, 33, 1-20. deboowicherts2009.pdf
Wicherts, J.M. (2008). Interesting volume on emotional intelligence, whatever it is. PsycCritiques EIbookev.pdf
Beckers, J. J., Wicherts, J. M., & Schmidt, H. G. (2007). Computer anxiety: State or trait? Computers in Human Behavior, 23, 2851-2862. beckers2007.pdf
Te Brake, J. H. M., Smits, N., Wicherts, J. M., Gorter, R., & Hoogstraten, J. (2008). Burnout development among dentists: A longitudinal study. European Journal of Oral Sciences, 116, 545-551. tebrake2008.pdf
Carpenter, D., Janssen, E., Graham, C., Vorst, H., & Wicherts, J. M. (2008). Women’s scores on the Sexual Inhibition/Sexual Excitation Scales (SIS/SES): Gender similarities and differences. Journal of Sex Research, 45, 36-48. carpenter2008.pdf
Bermond, B., Clayton, K, Liberova, A., Luminet, O, Maruszewski, T., Ricci Bitti, P. E., Rime, B., Vorst, H., Wagner, H., & Wicherts, J. M. (2007). A cognitive and emotional dimension of alexithymia in six languages and seven populations. Cognition and Emotion, 21, 1125-113. Computers in Human Behavior, 23, 2851-2862. bermond2007.pdf
Maas, H. L. J. van der, Dolan, C. V., Grasman, R. P. P. P., Wicherts, J. M., Huizenga, H. M., & Raijmakers, M. E. J. (2006). A dynamical model of general intelligence: the positive manifold of intelligence by mutualism. Psychological Review, 113, 842-861. maas2006.pdf
Wicherts, J.M., Vorst, H.C.M. (2004) Modelpassing van de Verkorte Profile of Mood States en meetinvariantie over mannen en vrouwen. Nederlands Tijdschrift voor de Psychologie, 59, 12-21. pomsinvar.pdf
Here is the full report of our re-analysis of Satoshi Kanazawa's claims concerning race differences in ratings of attractiveness as reported in Scott Kaufman's blog .

Interests:

Measurement invariance
Scientific integrity
Science policy
Errors in statistics
Structural Equation Modeling
Intelligence
Flynn effect
Group differences in IQ
Stereotype Threat
etc.

Links:

Contact: Send email to "J.M.Wicherts" with domain name "uvt.nl"