Berg, J., Bergeron, J., Seitz, J., Monroe, M., & McConnell, L. (2007). Understanding reliability: environmental knowledge in elementary students. Paper presented at the annual meeting of the North American Association For Environmental Education, Virginia Beach Convention Center, Virginia Beach, Virginia [Online]. Available: http://www. allacademic. com/meta/p187882_index. html [Accessed: 8 May 2009].