Full-text of this article is not available in this e-prints service. This article was originally published following peer-review in Omega, published by and copyright Pergamon.

Full-text of this article is not available in this e-prints service. This article was originally published [following peer-review] in Omega: The International Journal of Management Science, published by and copyright Pergamon.

In this study, we seek to investigate what influences children's intelligence in early childhood. The Singapore Cohort Study of the Risk Factors of Myopia (SCORM) is used in to assess determinants of childhood IQ and changes in IQ. This longitudinal data set, collected from 1999, includes a...