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Enhanced customer satisfaction
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Simplified survey data
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Informed new UX/UI design priorities
CLIENT CHALLENGES
- A Europe-based online fashion retailer engaged us to analyse multi-source survey data to refine its mobile and desktop platforms and prioritise feature improvements
- The client had collected over 12,000 survey responses across five European markets (the UK, Germany, France, Spain, Italy), focusing on user satisfaction, buying behaviour and expectations from platform features
- They sought clarity on which features truly delighted users versus those that were expected by default and also aimed to reduce redundancy in survey dimensions through data simplification
OUR APPROACH
- Step 1: Data integration and standardisation
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Harmonised survey data across markets, mapping different scales (e.g., 1-5 satisfaction vs binary satisfaction) to a uniform Likert scale
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Mapped responses for feature categories such as the following:
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“One-click checkout”
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“Real-time inventory updates”
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“AI-based outfit recommendations”
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“Mobile-first design”
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- Step 2: Kano analysis
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Kano model was applied to classify features into the following:
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Must-haves (basic needs)
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Performance needs (linear satisfaction)
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Delighters (unexpected feature satisfaction)
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Respondents evaluated each feature using both functional (like) and dysfunctional (dislike) forms
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- Step 3: Factor analysis
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Conducted factor analysis (FA) to group 24 survey questions into latent dimensions
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Reduced 24 questions to 4 major factors explaining 76% of variance:
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Convenience factor (checkout, delivery, navigation)
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Trust factor (data security, return policy clarity)
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Personalisation factor (recommendations, tailored content)
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Engagement factor (mobile app features, loyalty programme)
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IMPACT DELIVERED
- Prioritise development efforts on high impact such as improved stock alerts, loyalty programs and AR try-on
- Roll out segment features based on regional needs, such as enhancing privacy policy transparency in GDPR-sensitive markets
- Simplify future survey efforts, reducing respondent fatigue while focusing on four key insight-driving dimensions
- Boost user satisfaction scores by 17% quarter-over-quarter after implementation of the top three features

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