The rapid expansion and diversification of human resource development (HRD) research and practices is a welcoming sign for HRD scholars, who are interested in improving a social system through developing human resources. At the same time, however, it raises questions about the core identity and boundary of the field and desirable future directions. This study aims to trace the significant thematic periods, called the wave in the evolution of HRD, from its early development days to the present. In doing so, we present how "the body of HRD knowledge is evolving through the intellectual evolutionary process" based on analyses of widely cited definitions, influential work, and connections among co-appearing research topics. As the finding, we identified three distinctive waves of evolutionary phases of HRD research: (a) developing definition of disciplinarity, (b) competition and selection between major paradigms, and (c) divergence and expansion of topics. Major characteristics of each period and the influence between periods were also described.

PurposeBased on the job characteristics theory (Oldham and Hackman, 2010), the authors highlighted the mediating role of job meaningfulness as a critical psychological state. Employees' positive perception of job meaningfulness could maximize organizational positive outcomes based on task orientation and trustful relationship-based satisfying behaviors. The purpose of this paper is to examine the structural relations among transformational leadership, job characteristics, job meaningfulness and task-related job performance. The conceptual model of this paper is developed based on the theoretical foundations for assessing mediating and moderating path relations among the exogenous and endogenous variables.Design/methodology/approachBased on the research questions with literature review, the research framework was developed to show the moderated mediating mechanism of the link between transformational leadership and in-role performance. Data analyses for hypothesis testing were conducted by Hayes' PROCESS macro-based hierarchical regression.FindingsUnderstanding how organizations can optimally design a job based on job characteristics and helping employees maintain psychological states having meaningfulness and responsibility for outcomes are critical. This paper calls attention to how job characteristics and an individual's meaningfulness of work embedded in a given job play a role in influencing job performance.Originality/valueThis study provides a snapshot for examining the job characteristic model on the link between leadership and job performance. By using process analysis (Hayes, 2013), this study examined the moderating role of job characteristics and mediating role of meaningfulness at work in the link of leadership–performance.

An increasing number of studies report more similarities than differences in leadership styles between women and men. However, the evident vertical gender segregation at top management levels still remains a common phenomenon for various organizations. This consistent disparity needs to be addressed by identifying the underlying mechanism embedded in organizational structures that portrays women as less suitable for senior leadership positions than their male counterparts, although evidence suggests that there is no substantial gender difference in leadership styles or behaviors. This conceptual review articulates the deeply rooted gendered social status of organizations by delineating conceptual constructs and relationships regarding women's delayed advancement to senior leadership positions. The resulting model further implies that the gendered social status associated with women could compromise the effectiveness of human resources development (HRD) interventions initially developed to help women. This understanding prompts reexamination of existing HRD interventions to support women's career advancement to senior leadership positions in organizations.

Purpose This study has adopted theoretical frameworks of social capital, social networks and the Community of Practice to study how different types of relationships influence the knowledge sharing relationship. This paper aims to suggest that building social capital, particularly structural capital, is part of expected key in knowledge sharing networks. Design/methodology/approach Using social capital theory, through social network analysis of 111 management students in the US business school, identified key social capital dimension in knowledge sharing networks. To incorporate the interdependency among examined relationships, network logistic regression with the quadric assignment procedure was used. Findings The proposed research model showed that about 98% of the existence of knowledge sharing relationship could be correctly predicted. Among three dimensions of social capital, this study found a superior influence of the structural dimension (i.e. task interdependence) in predicting having a knowledge sharing relationship. The significant effect of trust and friendship network on knowledge sharing was also found. Implications for practice and suggestions for future research were also discussed. Originality/value Existing literature as to how people learn through knowledge sharing is limited in at least two important ways. First, scholars of knowledge management acknowledge that organizational knowledge originates from dyadic relationships between or among individuals at work. However, prior research has heavily relied on survey responses from one’s perception of knowledge sharing experience, viewing as unidirectional. Second, substantial attention of prior research has been devoted to the factors of individual attributes. Emphasizing individual interactions as the fundamental building blocks of learning, this study focuses more on relational characteristics of knowledge sharing based on social capital theory.

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