Answer:
request variability
Explanation:
Professor Frei suggests there are five distinct forms of customer-introduced variability including <u>request variability</u> in which some customers are capable of performing many service tasks themselves, while others require substantial hand-holding.
Variability includes requests made by customers, the arrival of customers, etc.
Dell should develop their customer service rating. If Dell increases
its rating by 5 points on customer service, it would outcome in the new ratings
for all brands to be: Dell 230 (up and about by 40 overall points), Microsoft
199, and Blackberry 196. This tactic provides Dell the highest overall assessment
over other products and over other message strategy conclusions.