This document contains four papers on organizational enhancement and human resource development (HRD). "Motivation to Improve Work through Learning in Human Resource Development" (Sharon S. Naquin, Elwood F. Holton III) argues that HRD's traditional conceptualization of motivation should be expanded to incorporate motivation to use learning to improve performance. "Improving Performance through HRD: Towards a Multi Level Model" (A.A.M. [Ida] Wognum) reports on a Dutch study that identified the following five factors as important to HRD effectiveness: strategic alignment; the problem serving as the starting point for HRD; the company HRD climate; the position of the HRD department; and the form of HRD interventions. "Exploring Organization Commitment in a Non-Profit Service Organization" (Constantine Kontoghiorghes, Nancy Bryant) discusses a study that identified the following four key predictors of employee commitment: company satisfaction; the extent to which one's job takes advantages of talents and abilities; the extent to which the organization emphasizes doing things right the first time; and a work environment conducive to learning. "Innovative Human Resource Practices and Organizational Commitment: An Empirical Investigation" (Tanuja Agarwala) presents the results of an exploration of the relationship between three dimensions of innovative human resource practices with organizational commitment. All four papers include substantial bibliographies. (MN)