5 Reference of the literature dealing with HPW components 5 Competitive advantage7 Q 3 8 The link between HPW systems, processes and cultural changes.9 A note on the main barriers 10 Unclear strategy and wrong priorities 10 Leadership style Choices 11 Lack of Trust 12 Poor coordination between the departments.13 Inadequate leadership13 Closed Vertical communication .14 Fear of criticism14 Attitude towards change 15 Section 2 . 17 Examples to include line managers in various processes .17 Performance appraisal and recognition.