Why is it important to incorporate a theory or model related to change when implementing practice changes

1.Why is it important to incorporate a theory or model related to change when implementing practice changes? Does the benefit of incorporating a change model outweigh the time and effort it took to include it? In 300 words with referenced

 

 

2.Identify barriers to the implementation of evidence-based practice. What are two ways to address this problem? In 300 words with references.