What are the primary similarities and differences between job enrichment and the approach proposed by job characteristics theory?

1- What are the primary similarities and differences between job enrichment and the approach proposed by job characteristics theory? (chapter 5)

2- Do you agree that a certain degree of stress is necessary to induce high energy and motivation? (chapter 7)

3- Why is it important to make a distinction between “group” and “team”? What kinds of behaviors might be different in these assemblages? (chapter 10)

4- Is most organization change forced on the organization by external factors or fostered from within? Explain (chapter 16)

Please note each one needs to be at least 100 words long minimum