Which innovative market research technique revolutionized language learning app development by tracking users' cognitive load during study sessions?

The language services industry relies heavily on market research to develop effective tools and resources. As language learning apps, translation services, and linguistic software continue to evolve, companies must understand user behavior and preferences. This poll tests your knowledge about a groundbreaking market research methodology that changed how language products are developed.

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Neuro-linguistic eye tracking
Semantic satisfaction surveys
Multilingual focus groups
Immersion experience sampling