An HR manager needs to recognise that HRM is in a constant state of change.
HRM is viewed as a means of moving people along to achieve organisational goals through staffing, performance, change management & administrative objectives.
"Hard" HRM characterised by the Michigan model is seen as viewing people as a resource needed to achieve organisational goals.
"Soft" HRM characterised by the Harvard model is seen as a method of developing strategies to encourage employee commitment.