Badura, A. (1986). Human agency in social cognitive theory. American Psychologist, 37, 1175-1182.
 Badura, A. (1977). Social learning theory. Englewood Cliffs, NJ: Prentice Hall.
 Bem, S. (1981). Gender schema theory: A cognitive account of sex typing. Psychological Review, 88, 354-364. http://dx.doi.org/10.1037/0033-295X.88.4.354
 Bogdan, R. C., & Biklen, S. K. (1992). Qualitative research in education (2nd Ed.). Boston: Allyn & Bacon.
 Bruess, C. E., & Greenberg, J. S. (1994). Sexuality education: Theory and Practice (3rd Ed.). Madison, WI: WCB Brown & Benchmark, Publishers.
 Davis, L. V. (1986). Social work treatment: Interlocking theoretical approaches (3rd Ed.). New York: The Free Press.
 Erikson, E. (1982). The life cycle completed. New York: W. W. Norton & Company.
 Evans, D. S., McGuire, B. E., Healy, E., & Carley, S. N. (2009). Sexuality and personal relationships for people with intellectual disability. Part II: Staff and family care perspectives. Journal of Intellectual Disability Research, 53, 913-921. http://dx.doi.org/10.1111/j.1365-2788.2009.01202.x
 Evans, D. W. (1998). Development of the self-concept in children with mental retardation: Organismic and contextual factors. In J. A. Burack, R. M. Hodapp, & E. Zigler (Eds.), Handbook of mental retardation and development. New York: Cambridge University Press.
 Field, S., & Hoffman, A. (1994). Development of a model for selfdetermination. Career Development for Exceptional Individuals, 17, 159-169. http://dx.doi.org/10.1177/088572889401700205
 Field, S., & Hoffman, A. (2002). Preparing youth to exercise self-determination: Quality indicators of school environments that promote the acquisition of knowledge, skills, and beliefs related to self-determination. Journal of Disability Policy Studies, 13, 113-118. http://dx.doi.org/10.1177/10442073020130020701
 Fischer, K. W. (1980). A theory of cognitive development: The control and construction of hierarchies of skills. Psychological Review, 87, 477-531. http://dx.doi.org/10.1037/0033-295X.87.6.477
 Griffiths, D. M., & Lunsky, Y. (2003). Socio-sexual knowledge and attitudes assessment tool-revised. Wood Dale. IL: Stoelting Co.
 Harter, S. (1986). Cognitive-developmental processes in the integration of concepts about emotions and the self. Social Cognition, 4, 119151. http://dx.doi.org/10.1521/soco.19188.8.131.52
 Hyde, J. S., & DeLamater, J. D. (2000). Understanding human sexuality (7th Ed.). Boston: McGraw Hill.
 Jones, J. (2012). Factors associated with self-concept: Adolescents with intellectual and developmental disabilities share their perspectives. American Association on Intellectual and Developmental Disabilities, 50, 31-40. http://dx.doi.org/10.1352/1934-9556-50.1.31
 Lewin, K. (1935). A dynamic theory of personality. New York: McGraw Hill.
 Piaget, J. (1972). Intellectual evolution from adolescence to adulthood. Human Development, 15, 40-47.
 Rotter, J. (1954). Social learning and clinical psychology. Englewood Cliffs, NJ: Prentice Hall. http://dx.doi.org/10.1037/10788-000
 Siebelink, E. M., de Jong, M., Taal, E., & Roelvink, L. (2006). Sexuality and people with intellectual disabilities: Assessment of knowledge, attitudes, experiences, and needs. Mental Retardation, 44, 283-294. http://dx.doi.org/10.1352/0047-6765(2006)44[283:SAPWID]2.0.CO;2
 Simon, W., & Gagnon, J. (2003). Sexual scripts: Origins, influences and changes. Qualitative Sociology, 26, 491-497.http://dx.doi.org/10.1023/B:QUAS.0000005053.99846.e5
 Smith, M. R. (2006). Providing relationship building blocks for adults with intellectual disability. Unpublished PhD Dissertation, Chester, PA: Widener University.
 Smith, M., & Willner, P. (2004). Psychological factors in risk assessment and management of inappropriate sexual behaviour by men with intellectual disabilities. Journal of Applied Research in Intellectual Disabilities, 17, 285-297. http://dx.doi.org/10.1111/j.1468-3148.2004.00210.x
 Steptoe, L., Lindsay, W. R., Forrest, D., & Power, M. (2006). Quality of life and relationships in sex offenders with intellectual disability. Journal of Intellectual and Developmental Disability, 31, 13-19. http://dx.doi.org/10.1080/13668250500488652
 Symons, D. (1995). Beauty is the adaptation of the beholder: The evolutionary psychology of human female attractiveness. In P. R. Abramson, & S. D. Pinkerton (Eds.), Sexual nature/sexual culture (pp. 80-118). Chicago: University of Chicago Press.
 United States Department of Commerce (2013). United States Census Bureau. www.census.gov
 Wagstaff, D. A., Abramson, P. R., & Pinkerton, S. D. (2000). Research in human sexuality. In L. T. Szuchman, & F. Muscarella (Eds.), Psychological perspectives on human sexuality (pp. 3-59). New York: John Wiley & Sons, Inc.
 Ward, M., & Kohler, P. D. (1996). Teaching self-determination: Content and process. In L. E. Powers, G. H. S. Singer, & J. Sowers (Eds.), Promoting self-competence in children and youth with disabilities: On the road to autonomy (pp. 275-322). Baltimore: Brookes.
 Wehmeyer, M. L., & Schalock, R. (2001). Self-determination and quality of life: Implications for special education services and supports. Focus on Exceptional Children, 33, 1-16.