1- The study will conduct In a company ( one case study ).

2- It will use interviews method only to collect data.

3- The study will take convenience sampling, as well as, random sampling.

4- The company will be divided in three parts including: top management, middle and employees. Therefore, the criteria of sampling will take convenience sampling among top and middle management and it will take random sampling from employees.

5- Participants 12 to 15

6- The total of employees in the company about 40 to 45

Referances:

1- Bryman, A. and Bell, E. (2011). Business research methods. Oxford: Oxford University Press.

2- EISENHARDT, K. and GRAEBNER, M. (2007). THEORY BUILDING FROM CASES: OPPORTUNITIES AND CHALLENGES. Academy of Management Journal, 50(1), pp.25-32.

3- Gibbert, M., Ruigrok, W. and Wicki, B. (2008). What passes as a rigorous case study?. Strat. Mgmt. J., 29(13), pp.1465-1474.

4- SIGGELKOW, N. (2007). PERSUASION WITH CASE STUDIES. Academy of Management Journal, 50(1), pp.20-24.