By persona By product or service By author By customer stage The correct answer is: By author.
Ease of completing a task Overall satisfaction vs. satisfaction at a particular moment Satisfaction at a particular moment vs. overall satisfaction Impact of a bug or outage The correct answer is: Ease of completing a task.
Writing a case study about a customer Paying your customer to leave you a good review regardless of their actual experience. Writing a blog post about a customer Asking a customer to write you a Yelp review The correct answer is: Paying your customer to leave you a good review regardless of their actual experience.