Association for Educational Communications and Technology. ( 1977 ). The Definition of Educational Technology . Washington, DC: Association for Educational Communications and Technology.
Foshay, W., Silber, K., & Westgaard, O. (editors). ( 1986 ). Instructional Design Competencies: The Standards . Iowa City, Iowa: International Society for Training, Performance, and Instruction.
Guerra, I.J. ( 2003 ). Key competencies required of performance improvement professionals. Performance Improvement Quarterly , 16 (1).
Hale, J. ( 2003 ). Certification: How it can add value. Performance Improvement , 42 (2), pp. 30 “31.
McLagan, PA. ( 1989 ). The Models: Models for HRD Practice . Alexandria, VA: American Society for Training & Development.
Rothwell, W.J. ( 1996 ). ASTD Models for Human Performance Improvement: Roles, Competencies, and Outputs . Alexandria, VA: American Society for Training & Development.
Seels, B.B. & Richey, R.C. ( 1994 ). Instructional Technology: The Definition and Domains of the Field . Washington, DC: Association for Educational Communications and Technology.
Silber, K.H. ( 2002 , November 1 ). From the president, Chicago ISPI Newsletter .