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Data Cleaning and Quality Checks

Survey data checked and cleaned before analysis: speeders, straight-liners, duplicates, bots and inconsistent answers removed and documented.

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  • Feasibility and costs in 24 hours
  • One project manager from brief to data
  • ICC/ESOMAR and GDPR compliant
Best for
Any survey where data quality matters, which is every survey
Checks
Speed, straight-lining, duplicates, bots, logic and open ends
Formats
SPSS, Excel, CSV and most survey platform exports
You receive
A clean data file and a log of every removed case

Overview

Bad data hides in every survey. Research and Metric provides survey data cleaning during and after fieldwork, so the data you analyse is honest and the decisions it supports hold up.

We agree the rules with you, apply them the same way to every case and document what was removed and why. If we ran your fieldwork, removed completes are replaced before the field closes.

Send us your briefSee how it works
A close view of a colourful data quality dashboard on a laptop on a sunny desk, no readable text
Quality checks run during fieldwork, not only at the end.

What we check

Need something that is not listed here? Tell us in your brief and we will check feasibility.

  • Speeders and straight-linersPeople who rush or give the same answer to everything.
  • DuplicatesRepeat entries and suspicious devices.
  • Bots and copied answersAutomated entries and nonsense or pasted open ends.
  • Logic and consistencyAnswers that contradict each other or fall out of range.
  • Quotas and countsSample numbers checked against the plan.

What you receive

  • A clean data file in your format
  • A cleaning log with the reason for each removal
  • Agreed rules documented for future waves
  • Ready for tabulation and weighting
Two analysts discussing a dataset at a bright standing desk with plants
Every removal is logged and explained.

Step by step

How data cleaning works

  1. RulesWe agree quality rules and thresholds with you.
  2. Live checksWe check completes daily during fieldwork.
  3. Final cleaningWe run all checks on the final data.
  4. ReviewYou review the cleaning log before we finalise.
  5. DeliveryYou receive the clean file and the log.

Why agencies choose Research and Metric

  • One accountable team from brief to final data
  • Honest feasibility before you commit
  • Daily progress and quality reporting
  • ICC/ESOMAR-aligned processes and GDPR-compliant data handling

Prefer to talk first?

Email uscontact@researchandmetric.comCall us+1 240-980-1551

See this work in practice

Get a quote

Send us your brief

Tell us who you need to reach, where and how many. We reply with a plan.

  • Feasibility and costs in 24 hours
  • One project manager from brief to data
  • ICC/ESOMAR and GDPR compliant
Start your brief

FAQ

Frequently asked questions

Cannot find your answer? Ask our team or email contact@researchandmetric.com.

What is survey data cleaning?

Checking survey responses for poor quality, such as speeding, straight-lining, duplicates and bots, and removing or correcting them before analysis.

Can you clean data from fieldwork you did not run?

Yes. Send us the data file and questionnaire and we will clean it to rules agreed with you.

Will I know what was removed?

Yes. You receive a cleaning log that lists every removed case and the reason.

Which file formats do you work with?

SPSS, Excel, CSV and the exports of most survey platforms.

Related services

Other data and support services

Book one service or combine them with your fieldwork.

Not sure which you need? Tell us about your study and we will suggest the right mix.

Data processing and tabulationSurvey data cleaned, coded, weighted and tabulated into banner tables your analysts can use, for one-off studies and multi-wave trackers.Learn moreOpen-end codingOpen-ended survey answers coded into clear, consistent themes by trained coders, in many languages, ready for tables and charts.Learn moreSurvey weightingSurvey samples weighted to match the population, with clear targets, efficiency checks and documentation your team can reuse.Learn moreCharting and reportingSurvey results turned into clear charts, slide decks and dashboards in your template, ready for your analysts and your clients.Learn moreQuestionnaire translationQuestionnaires, screeners and materials translated by native research linguists, checked in context and tested in the survey before launch.Learn moreTranscription and translationInterview and group recordings transcribed and translated by native speakers, accurate, confidential and delivered in the format you use.Learn more

Case studies

Recent projects

Anonymised client projects and examples of recruitment, fieldwork and tabulation work.

View all case studies
Client project, AutomotiveAutomotive Respondent Recruitment: HEV and BEV SUV OwnersClient project, AutomotiveQualitative Recruitment Services for Maxi Scooter ResearchClient project, Food and beverageIn-Home Use Test Recruitment for a US Coffee PortfolioClient project, Healthcare & PharmaExpert interviews with rare-disease gene therapy prescribersClient project, Healthcare & PharmaTelephone profiling survey of molecular diagnostic labsClient project, Technology & ITSenior HR decision-maker interviews in two markets

Next step

Planning your next study?

Send us your brief and get feasibility, timelines and costs within 24 hours.

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