Barr et al. (1990) and Roza et al. (2007) examined the effects of teratogens on development. Briefly describe their key findings and evaluate their methods

Reference Barr, H. M., Streissguth, A. P., Darby, B. L., & Sampson, P. D. (1990). Prenatal exposure to alcohol, caffeine, tobacco, and aspirin: Effects on fine and gross motor performance in 4-year-old children. Developmental Psychology, 26(3), 339-348. https://doi-org.saintleo.idm.oclc.org/10.1037/0012-1649.26.3.339

Roza, S. J., Verburg, B. O., Jaddoe, V. W. V., Hofman, A., Mackenbach, J. P., Steegers, E. A. P., ... Tiemeier, H. (2007). Effects of maternal smoking in pregnancy on prenatal brain development. The Generation R Study. European Journal of Neuroscience, 25(3), 611-617. https://doi-org.saintleo.idm.oclc.org/10.1111/j.1460-9568.2007.05393.x