I also expound on the importance of cohesion and conflict resolution mechanisms through leadership, decision making and problem solving. The latter is mainly focused on effective implementation of organizational change with a counter to change resistance from the employees. The selection of effective group members could not go better than the selection of friends to enjoin in a group. As a matter of fact, it is much easier for friends to relate, discuss and/or share ideas as compared to a group consisting of strangers. However, my personal view is that it is much easier for a group of strangers to work efficiently and relate well, with a much easier management or supervision as compared to a group consisting of friends. As I came to learn that, during the period I was part of the ‘The importance of training and development in human resource management’ group, commitment is core for effective human resource coordination and management. On the other hand, it is easier for strange members of a group to relate and experience more since they have much diversity to share and experience. According to research, it is highly probable to get commitment and contribution from members of a group whose members have never priory interacted or worked together. However, challenges are inevitable in group and organizational human resource management. Some of the main challenges I experienced while working in the ‘importance of training and development in human resource management’ group include.