Need help with question 6 plz

QUESTION 6 Levi Strauss & Co (or Levi's@ Store), a world leading apparel company in jeans, denim, and vintage clothing, has noticed a decline in the sales of women's jeans. Management believes this is due to poor customer service on behalf of their sales assistants. Levi's@ would like to execute a mystery shopper type observation that addresses some of the research questions below: How well do the store's employees and service staff interact with the customers? How friendly are the store's employees and service staff to customers? How courteous are the store's employees and service staff in meeting customers needs and wants? How helpful are the store's employees and service staff in meeting customers needs and wants? What is the level of product service knowledge exhibited by the office supply store's employees and service staff? (a) Explain the main advantage/s AND disadvantage/s of conducting observation for this research. (2 12 marks) (b) You are designing the 'mystery shopper observation. Make decisions regarding the characteristics that underlie your chosen observation method and explain your reasoning for each of the below decisions: i. Directness (direct/indirect); ii. Subject Awareness (disguised/undisguised); iii. Structure (structured/unstructured); LIF iv. Observing method (human/mechanical); and v. Setting (natural/contrived)