Casner-Lotto, J., & Barrington, L. (2006). Are they really ready to work? Employers’ perspectives on the basic knowledge and applied skills of new entrants to the 21st century workforce. New York: The Conference Board.
 Capobianco, B., Diefes-Dux, H. A., Mena, I., & Weller, J. (2011). What is an engineer? Implications of elementary school student conceptions for engineering education. Journal of Engineering Education, 100, 304-328. doi:10.1002/j.2168-9830.2011.tb00015.x
 Howard, T. J., Culley, S. J., & Dekoninck, E. (2008). Describing the creative design process by the integration of engineering design and congnitive psychology literature. Design Studies, 29, 160-180. doi:10.1016/j.destud.2008.01.001
 Kwon, S., Nam, D., & Lee, T. (2011). The effects of convergence education based STEAM on elementary school students’ creative personality. In T. Hirashima et al. (Eds.), Proceedings of the 19th International Conference on Computers in Education, Chiang Mai: Asia Pacific Society for Computers in Education.
 Knight, M., & Cunningham, C. (2004). Draw an engineer test (DAET): Development of a tool to investigate students’ ideas about engineers and engineering. ASEE Annual Conference and Exposition, Salt Lake City, 20-23 June 2004
 Kazerounian, K., & Foley, S. (2007). Barriers to creativity in engineering education: A study of instructors and students perceptions. Journal of Mechanical Design, 129, 761. doi:10.1115/1.2739569
 Magidson, J., & Vermunt, J. K. (2004). Latent class models. In D. Kaplan (Ed.), Handbook of quantitative methodology for the social sciences. Newbury Park, CA: Sage Publications. doi:10.4135/9781412986311.n10
 Nylund, K. L., Asparouhov, T., & Muthén, B. O. (2007). Deciding on the number of classes in latent class analysis and growth mixture modeling: A Monte Carlo simulation study. Structural Equation Modeling, 14, 535-569. doi:10.1080/10705510701575396