eNPS is a bad metric for a lot of reasons, but in this the concern would be that in low sample sizes, you are unable to quantify uncertainty. The results for small (around 30 but depends on what the mean is) will also be noisy. Don't use NPS unless you have to, ie, you want to release a number for a marketing campaign because your score is a selling point. "Our future vision is building towards an ideal mix of automa…
On your last paragraph - we're looking at incentive programs but we don't desperately need them. Over the long test timeframe, we've averaged 60+% each week for responses (40% within the first 60 mins) and one in two leave a comment with it. In all honesty, our current data is skewed by some companies in the system testing with us and not pressing their team to actively participate which has dropped the weekly average by ~10%. We're going to add a disengaged score (people who haven't responded for 3 consecutive weeks) and a super-engaged score (the opposite of that). Our customers have said they're more worried by the disengagement level than the negative sentiment because it means the team don't care at all.
Thanks again, this is some great stuff for us to think on!