How to refine your view on NPS and choose the Right Development Goals
What is NPS? NPS, or Net Promoter Score, is one of the most commonly u...
ZEF Blog
Posts by
Janne Vainikainen
Best survey practices: Ensuring a high response rate by sharing method
Which one is the best way to reach Your respondents? In the best case,...
Top 10: How to motivate survey respondents & ensure high response rate
Zeffi released its top 10 tips for motivating respondents and increasi...
Zeffi's Language Technology analyzes textual data for you
Zeffi has now a new NLP (natural language processing) feature that ana...