“…Following were proposals for using the utility of agency theory to explain training and development outcomes (Azevedo & Akdere, 2008, 2010, 2011; Li & Huang, 2011). The empirical studies conducted and published within the HRD-related literature identified in this review described the limitations of their studies to application to the case and sample studied due to the sample size or specificity of the participants and respondents (Alammar & Pauleen, 2015; Blakeley & Higgs, 2014; Glick, 2011; Liu, Valenti, & Chen, 2016; O’Reilly, Doerr, Caldwell, & Chatman, 2014; Petrescu & Simmons, 2008; Rusaw & Rusaw, 2008; Singh, 2003). Research and practice related to testing and applying the principal–agent relationship are presented later in this article as implications for HRD.…”