Explain how an organisation can enhance its operational efficiency through application of change management strategies at different level of the organisation

hi there,

i have a dissertation and i need to do interview questions and questionnaire question so please can you write 5 interview questions and 15 questionnaire questions based on this research question (How an organisation can enhance its operational efficiency through application of change management strategies at different level of the organisation)

so please focus on this question and make the 5 interview questions and 15 questionnaire questions.