SolutionSurvey.comAn eCorp Venture 1 Guest0

← SolutionSurvey.com

Facts · Facts & sources

Solution facts & stats

3 sourced facts about customer-feedback surveys and the science of getting good answers, each with the context behind the number. 4 more are in today's round and appear here after it closes.

Play today's round

The basics

In what year did consultant Fred Reichheld introduce the Net Promoter Score in a Harvard Business Review article?

Answer2003

The article, titled 'The One Number You Need to Grow,' popularized NPS as a simple customer-loyalty metric.

Source: Wikipedia (2025) en.wikipedia.org

For a feedback survey with about 1,000 responses, what is the typical margin of error?

Answerabout plus/minus 3%

Companies use this same statistical logic pollsters use, at the standard 95% confidence level.

Source: Wikipedia (2025) en.wikipedia.org

Going deeper

On the classic Net Promoter Score question, what rating scale do customers use to answer?

Answer0 to 10

Scores of 9-10 are 'promoters,' 7-8 are 'passives,' and 0-6 are 'detractors' -- the NPS is promoters minus detractors.

Source: Wikipedia (2025) en.wikipedia.org

Think you'd have guessed them?Today's round is four stats like these plus one opinion poll. Your streak and level follow you to every site.Play today's round