Survey Tips
8 Tips for Creating the Perfect Online Survey
An online survey rarely fails because of the tech, it fails because you asked too much. Our eight tips help you get answers you can genuinely use in your analysis.
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Knowledge articles on empirical research, online surveys, and academic writing.
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Survey Tips
What Are Surveys Used For? Real Examples and Use Cases
Real examples of what surveys are used for in the UK: from the staff survey and the parent questionnaire to picking a date for the Christmas do, each with a ready-made template.
Guide
Multilingual Survey: How to Set One Up in Four Steps
A multilingual survey starts with the questionnaire, not the translation. We take you through the stages in the right order and show you how to do it at the push of a button.
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From your first question to a GDPR-compliant analysis — pick your topic.
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Beyond the guides — reference material, tools and answers to product questions.
Glossary
Look a term up quickly
NPS, Likert scale, confidence interval: the terms that matter in surveys, statistics and data protection — explained plainly.
Open the survey glossarySurvey or questionnaire – what's the difference? In short: the survey is the whole project, the questionnaire is the tool with the questions. We show you clearly how the two connect, when to use which term and what to watch out for in practice.
With an absolute scale the unit is fixed, so a headcount stays a headcount and nothing converts. Find out how to recognise it and which calculations its values will support.
One salary is twice another, but 20°C is never twice as warm as 10°C. The difference is the zero point, and that is what a ratio scale brings to your data.
With an interval scale the distances are equal and the starting point is arbitrary. Find out what that lets you calculate and how it really differs from a ratio scale.
“Cardinal scale” is the German name for the interval and ratio scales. Here is what that means, the three types and which calculations you are allowed to run.
How to spot an ordinal scale in your questionnaire: the two conditions behind a rank order, the figures that hold up and the tests that go with them.
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Guide
Automate surveys and forms with Zapier: here's how
Zapier connects empirio.ai with more than 9,000 apps. Approve the connection in two minutes and let notifications, storage and reports run by themselves.
Survey Tips
Customer Effort Score (CES): Definition & Calculation
What the CES measures, how to work it out from a 1 to 7 scale and why an average of 5.6 can hide a lot of hassle: the metric for how hard your customers have to work.
Survey Tips
NPS, CSAT and CES Compared: Differences & Similarities
Three questions, three metrics for customer surveys: what NPS, CSAT and CES have in common, how their questions and answer options differ and when each one is the better choice.
Survey Tips
Customer Satisfaction Score (CSAT): Definition & Calculation
How the CSAT works, how to calculate it with a simple formula and why 78 per cent can mean two very different things: the metric for satisfaction at a single touchpoint.
Survey Tips
Employee Net Promoter Score (eNPS): Definition & Calculation
How the eNPS works, how to calculate it in three steps and why +5 can describe a calm workforce or a deeply divided one: the employer recommendation metric, minus the benchmark myths.
Survey Tips
What Are Surveys Used For? Real Examples and Use Cases
Real examples of what surveys are used for in the UK: from the staff survey and the parent questionnaire to picking a date for the Christmas do, each with a ready-made template.
Comparisons
Zapier Forms alternative: empirio.ai compared in 2026
empirio.ai is the free, privacy-first Zapier Forms alternative, with modern questionnaires, a simple survey editor and hosting in the EU.
Guide
Automate surveys and forms with n8n: here's how
How to connect empirio.ai with n8n and automate everything around your surveys and forms, from creating them right through to the analysis.
Guide
Survey logic and branching: how question filtering works
Not every question applies to every person. With survey logic and branching, each respondent sees only the questions that fit, and you stop collecting guesswork.
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