Kate Xu is an applied statistician/epidemiologist, interested in methodological development of statistics applied in mental health, educational psychology, and ageing research. Currently she is working on time to event data from prospective population-based studies to identify how risk factors on the metabolic-cardiovascular pathway change with increasing age.
She also works on psychometric issues of behavioural measures in genetic association investigations, with focuses on development of reliable, robust phenotypes of cognition and mental health based on questionnaire and longitudinal cohort data, using latent variable techniques.
She has a strong interest in empirical applications of latent variable methods. Specific types of modelling techniques I use in my research include: structural equation modelling, measurement invariance assessment, latent growth curve modelling, latent state-trait modelling, multilevel modelling and missing data imputation.
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Nishida A, Xu KM, Croudace T, Jones PB, Barnett J, Richards M (2014) Adolescent Self-control Predicts Midlife Hallucinatory Experiences: 40-Year Follow-up of a National Birth Cohort. Schizophr Bulletin
Bonneville-Roussy, A., Rentfrow, P. J., Xu, M. K., Potter, J. (2013), “Music Through the Ages: Trends in Musical Attitudes and Preferences from Adolescence Through Middle Adulthood ” Journal of Personality and Social Psychology
Marsh, H. W., Abduljabbar, A S, Abu-Hilal, M M., Morin, A J. S., Abdelfattah, F, Leung, K C, Xu, M. K., Nagengast, B. (2013), “Factor Structure, Discriminant and Convergent Validity of TIMSS Math and Science Motivation Measures: A Comparison of USA and Saudi Arabia” Journal of Educational Psychology
Richards, M, Barnett, J. H., Xu, M. K, Croudace, T. J., Gaysina D., Jones, P. B. (2013), “Mental health predicts cognitive decline: evidence from the British 1946 birth cohort” British Journal of Psychiatry
Xu, M. K. (joint first author), Gaysina, D., Barnett, J. H., Wong, A., Croudace, T., Richards, M., & Jones. P. B. (2013), “The catechol-O-methyltransferase gene (COMT) and cognitive function from childhood through adolescence” Biological Psychology
Xu, M. K., Jones, P. B., Barnett, J. H., Gaysina, D., Kuh, D., Croudace, T. J., Richards, M (2013), “Adolescent mental health and memory in early and late midlife: prospective longitudinal evidence from the British 1946 birth cohort” Psychology and Aging
Xu, M. K., Marsh, H. W., Hau, K.-T., Ho, I. T. F., Morin, A. J. S., & Abduljabbar, A. S. (2013), “The Internal/External Frame of Reference of Academic Self-concept: Extension to a Foreign Language and the Role of Language of instruction” Journal of Educational Psychology 105(2): 489-503
Barnett JH, McDougall F, Xu MK, Croudace TJ, Richards M, Jones PB (2012), “Childhood cognitive function and adult psychopathology: associations with psychotic and non-psychotic symptoms in the general population” British Journal of Psychiatry 201:124-30
Marsh, H. W., Xu M. K., & Martin, A (2011), “Self-Concept: A Synergy of Theory, Method, and Application ” APA Educational Psychology Handbook
Nagengast B, Marsh HW, Scalas LF, Xu MK, Hau KT, Trautwein U (2011), “Who took the "x" out of expectancy-value theory? A psychological mystery, a substantive-methodological synergy, and a cross-national generalization.” Psychol Sci 22(8):1058-66