Allow a form/survey to score answers by category and generate a simple results report the respondent can see and receive by email (like an assessment that shows a client their strongest and weakest areas). Coaches use assessments as both a lead generator and the starting point for a client's plan.
Note: partial workarounds exist today (custom fields + workflows + a report page), which is exactly why a native version would help — the workaround takes hours to build per assessment.