Users are likely to drop off before their account is created if the questions / tasks requires too much effort, too early. “..when someone takes a small action or step toward something, they feel compelled to finish.” (Dr. Robert B. Cialdini, cxl.com)
Questions and tasks prompted during Facebooks sign-up and hypothesised*
avr. friction / interaction cost

*Assessed by Wunderman UX Specialist.
The interaction cost is the sum of efforts — mental and physical — that the users must deploy
in interacting with a site in order to reach their goals. (nngroup.com )