# Questions tagged [net-promoter-score]

Net Promoter Score®, or NPS®, measures customer experience and predicts business growth.

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### How can I calculate margin of error in a NPS (Net Promoter Score) result?

I'll let Wikipedia explain how NPS is calculated: The Net Promoter Score is obtained by asking customers a single question on a 0 to 10 rating scale, where 10 is "extremely likely" and 0 is "...
• 401
2k views

### How much sub-questions impact one ordinal question in a survey?

I have a variable Net Promoter Score (NPS) which is an item on a survey, the answer format is ordinal, 0 to 10. Then, there are sub-questions on the same survey, some are ordinal, some are ...
• 151
8k views

### How can I perform a t-test (or another hypothesis test) on NPS (Net Promoter Score) results?

Here is an explanation of how NPS is calculated: http://en.wikipedia.org/wiki/Net_promoter_score I'm interested in testing two net promoter scores to determine if they are statistically different. I ...
57 views

### Percent chance that two samples are different population (NPS)

Practical question (not a statistician), I want to make a PPT slide (amongst several) in a business discussion, related to comparing a new survey with an old one. Want to be able to say something to ...
1k views

### Net Promotor Score (NPS) - Ordinal or Interval?

I have a DV (NPS) on a "1 = not likely at all" - "10 =extremely likely" scale. My two IVs are on an ordinal scale (1-3 with N/A option). Would like to run a regression, but not sure which regression ...
228 views

### Mining survey data to discover high and low performing cohorts

I'm analyzing datasets of users that range in size from 5,000 users up beyond 150,000 users, and each of these users have at least 32 data-points (sometimes more, sometimes a few less) with (about) 5 ...
40k views

### Calculating the Net Promoter Score for poll data on a 1-5 scale

From Wikipedia The Net Promoter Score is obtained by asking customers a single question on a 0 to 10 rating scale, where 10 is "extremely likely" and 0 is "not at all likely": "How likely is it ...
104 views

### Margin of Error in a NPS result with promoters only

This is a follow-up to the response provided by @whuber on the question How can I calculate margin of error in a NPS (Net Promoter Score) result? @whuber pointed out that there are more sophisticated ...
• 21
1 vote
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### NPS daily survey data

I have daily surveys sent to users of several of my organization´s services, the surveys consists only on NPS question (How likely would recommend X? on a 0 to 10 scale), number of respondents vary by ...
107 views

### Statistics: Comparing two samples [duplicate]

So, I will run an email campaign and I want to calculate the difference between the current NPS score and the one after the campaign, to see if the campaign is actually making any impact at all. By ...