Starting with HRD, Human Resource Development is full of acronyms that are important in understanding what HRD is all about. A few of those acronyms are given on this page.
Richard A. Swanson defines Hurman Resource Development (HRD) as "a process of developing and unleashing expertise for the purpose of improving performance." Swanson's 2008 brief on the foundations of HRD can be found at the link below.
The International Society for Performance Improvement (ISPI) is a professional organization that seeks "to develop and recognize the proficiency of its members and advocate the use of Human Performance Technology" (HPT). ISPI's explanation of what HPT is can be found on the following webpage:
The Organization Development Network (ODN) "is an international, professional association whose members are committed to practicing organization development intentionally and rigorously as an applied behavioral science." ODN's explanation of what OD is can be found on the following webpage: