ممكن عمل استمارة استبانة وتوزع على عينة من العملاء ويتم اعتبار رضا العملاء متغير وهمي (Dummy Variable)

ثم غمل انحدار او ارتباط ما بين رضا العملاء والخليط التسويقي

Maybe this work can help: Thesis The Impact of Marketing Mix on Customer Satisfaction: A Case...

For the concept of satisfaction, you must first do a research in a theoretical framework: The Dissonance Theory, The Contrast Theory, Expectancy-Disconfirmation Paradigm, Inferred versus Direct Disconfirmation, The Comparison Level Theory, The Value Percept Theory, The Equity Theory, The Evaluative Congruity Theory... Then you propose the model of your research. Regarding the elements of the marketing mix, it's much easier.

here are some works that can help you:

Bearden, W.O. & Teel, E.J. (1983). Selected Determinants of Consumer Satisfaction and Complaint Reports, Journal of Marketing Research, 20, 21-28.

Botterill, T. D. (1987). Dissatisfaction with a construction of Satisfaction, Annals of Tourism Research 14: 139-141.

Cadotte, E. R., Woodruff, R. B ., & Jenkins, R. J. (1987). Expectations and Norms in Models of Consumer Satisfaction Journal of Marketing Research 24, 305-14.

Erevelles, S. & Leavitt, C. (1992). A Comparison of Current Models of Consumer Satisfaction / Dissatisfaction Journal of Consumer Satisfaction /Dissatisfaction and Complaining Behavior, 5, 104-114.

LaTour, S. T. & Peat, N. C. (1979). Conceptual and Methodological issues in consumer satisfaction research, Advances in Consumer Research, 6, 431-437.

Tse, D. K., & Wilton, P. C. (1988). Models of Consumer Satisfaction Formation: An Extension. Journal of Marketing Research, 25(2), 204. doi:10.2307/3172652

Olander, F., (1979) Consumer Satisfaction: A Sceptic’s view. Aarhus Denmark.

Oliver, L. R. (1997). Satisfaction a behavioral perspective on the consumer, The McGraw-Hill Companies, Inc. New York.

good luck