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G. J. Geldhof, Bowers, E. P., Mueller, M. Kiely, Napolitano, C. M., Callina, K. Schmid, and Lerner, R. M., Longitudinal Analysis of a Very Short Measure of Positive Youth Development, Journal of Youth and Adolescence, vol. 43, no. 6, pp. 933 - 949, 2014.
G. J. Geldhof, Preacher, K. J., and Zyphur, M. J., Reliability estimation in a multilevel confirmatory factor analysis framework., Psychological methods, vol. 19, no. 1, pp. 72-91, 2014.
G. J. Geldhof, Weiner, M., Agans, J. P., Mueller, M. K., and Lerner, R. M., Understanding Entrepreneurial Intent in Late Adolescence: The Role of Intentional Self-Regulation and Innovation, Journal of Youth and Adolescence, vol. 43, no. 1, pp. 81 - 91, 2014.
G. J. Geldhof, Malin, H., Johnson, S. K., Porter, T., Bronk, K. C., Weiner, M. B., Agans, J. P., Mueller, M. K., Hunt, D., Colby, A., Lerner, R. M., and Damon, W., Entrepreneurship in young adults: Initial findings from the young entrepreneurs study, Journal of Applied Developmental Psychology, vol. 35, no. 5, pp. 410 - 421, 2014.
G. J. Geldhof, Porter, T., Weiner, M. B., Malin, H., Bronk, K. C., Agans, J. P., Mueller, M., Damon, W., and Lerner, R. M., Fostering Youth Entrepreneurship: Preliminary Findings From the Young Entrepreneurs Study, Journal of Research on Adolescence, vol. 24, no. 3, pp. 431 - 446, 2014.
G. J. Geldhof, Bowers, E. P., Gestsdóttir, S., Napolitano, C. M., and Lerner, R. M., Self-Regulation Across Adolescence: Exploring the Structure of Selection, Optimization, and Compensation, Journal of Research on Adolescence, p. n/a - n/a, 2014.
G. J. Geldhof, Gestsdottir, S., Stefansson, K., Johnson, S. K., Bowers, E. P., and Lerner, R. M., Selection, optimization, and compensation: The structure, reliability, and validity of forced-choice versus Likert-type measures in a sample of late adolescents, International Journal of Behavioral Development, 2014.
G. J. Geldhof, Bowers, E. P., and Lerner, R. M., Special Section Introduction: Thriving in Context: Findings from the 4-H Study of Positive Youth Development, Journal of Youth and Adolescence, vol. 42, no. 1, pp. 1 - 5, 2013.
G. J. Geldhof, Bowers, E. P., Boyd, M. J., Mueller, M. K., Napolitano, C. M., Schmid, K. L., Lerner, J. V., and Lerner, R. M., Creation of Short and Very Short Measures of the Five Cs of Positive Youth Development, Journal of Research on Adolescence, vol. 24, no. 1, pp. 163 - 176, 2013.
G. J. Geldhof, Pornprasertmanit, S., Schoemann, A. M., and Little, T. D., Orthogonalizing Through Residual Centering: Extended Applications and Caveats, Educational and Psychological Measurement, vol. 73, no. 1, pp. 27 - 46, 2013.
G. J. Geldhof, Little, T. D., and Hawley, P. H., Two measures of self-regulation for young adults and late adolescents in the academic and social domains, International Journal of Behavioral Development, vol. 36, no. 6, pp. 476 - 488, 2012.
G. J. Geldhof and Lerner, R. M., Pathways to Adaptation: Self-Regulation and Ecological Assets—A View of the Issues, Research in Human Development, vol. 9, no. 4, pp. 273 - 277, 2012.
G. J. Geldhof, Anthony, K. P., Selig, J. P., and Mendez-Luck, C. A., Accommodating binary and count variables in mediation: A case for conditional indirect effects, International Journal of Behavioral Development, vol. 42, pp. 300–308, 2018.
G. J. Geldhof, Bowers, E. P., Gestsdóttir, S., Napolitano, C. M., and Lerner, R. M., Self-regulation across adolescence: Exploring the structure of selection, optimization, and compensation, Journal of research on adolescence, vol. 25, pp. 214–228, 2015.
G. J. Geldhof, Little, T. D., and Hawley, P. H., Two measures of self-regulation for young adults and late adolescents in the academic and social domains, International Journal of Behavioral Development, vol. 36, pp. 476–488, 2012.
G. J. Geldhof, Warner, D. A., Finders, J. K., Thogmartin, A. A., Clark, A., and Longway, K. A., Revisiting the Utility of Retrospective Pre-Post Designs: The Need for Mixed-Method Pilot Data, Evaluation and Program Planning, 2018.
G. J. Geldhof, Larsen, T., Urke, H., Holsen, I., Lewis, H., and Tyler, C. P., Indicators of positive youth development can be maladaptive: The example case of caring., J Adolesc, vol. 71, pp. 1-9, 2019.