1. Abraham, M. R., & Renner, J. W. (1986). The sequence of learning cycle activities in high school chemistry. Journal of Research in Science Teaching, 23, 121–143.
2. American Psychological Association. (1986). Test purchaser qualifications: Present practice, professional needs, and a proposed system. Washington, DC: Author.
3. Anastasi, A. (1982). Psychological testing (5th ed.). New York: Macmillan.
4. Atkinson, R. C., & Shiffrin, R. M. (1968). Human memory: A proposed system and its control processes. In K. W. Spence & J. T. Spence (Eds.), The psychology of learning and motivation (Vol. 2, pp. 99–143). New York: Academic Press.
5. Baltes, P. B., & Schaie, K. W. (1973). Life-span developmental psychology: Personality and socialization. New York: Academic Press.