Rank Sensitive Questions - What Are They?

Researchers ran surveys on the mechanical turk crowd sourcing platform, better known as m turk. The researchers askd participants to rank a variety of questions from least to most sensitive. One batch included have you ever had financial problems? Have you ever had an affair? How much is your salary? Do you or have you ever gone to therapy? I imagine those people listening have this cringy feeling about either asking these or being asked these. And that's what we're trying to get at....