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Best Practices in Survey Translation/Adaptation and Linguistic Quality Assurance

The Open Probability-Based Panel Alliance (OPPA) sets a threshold: translation quality should meet the highest standards in all cross-national, probability-based web surveys.

Before the localization (translation/adaptation) begins, a set of processes can and should take place to ensure (i) that the different language versions of the survey questions will be linguistically equivalent; and (ii) that adaptations required to conform to local usage and context have been implemented so that the same question is asked in the respective cultures.

As a first step, a translatability assessment (TA) of survey questions can be carried out to identify and mitigate potential localization problems in the early stage of survey development.

As a product of the TA or independently, item-per-item translation/adaptation notes can be prepared to guide the ensuing localization process. These notes are discussed and agreed with/by the question authors. They can include concepts, objectives, clarification of possible ambiguities, or the intended meaning of terms or expressions in the master version. The notes also identify those adaptations (intentional deviations from the master) that the authors regard as mandatory, desirable, or ruled out.

Bilingual or multilingual glossaries can be prepared and used within and/or across surveys. These glossaries can include key terms, survey-specific terms, terms or expressions that involve some research, and any other elements that the authors may define.

Style Guides templates can be created to set typographic conventions, forms of address, gender-neutrality, notation of numbers, currencies, dates/times, etc. to be used by linguists.

Project-specific rules can be defined and linked to attributes of the source version—regardless of the target languages. These rules can define e.g. the maximum number of characters in captions, -forced adaptations-, the need for dynamic text or how tags and fills must be handled.

Glossaries, style guides and project-specific rules can be linked to automated quality checks included in the localization workflow.

Each cross-national panel survey can benefit from state-of-the-art survey translation methodology:

  • Double translation, review, team adjudication and pre-testing (TRAP-D approach)
  • Full documentation of the translation/adaptation history of each item in each language (the ‘D’ in TRAP-D)
  • Transparency and re-usability: a database of all existing translations (e.g. response categories, scales) will be maintained and made publicly available

Researchers who wish to administer cross-national, probability-based surveys within the OPPA network will be given the opportunity to discuss these processes with cApStAn Linguistic Quality Control, a professional organisation with which OPPA has set up a fruitful ad hoc cooperation model. cApStAn delivers tailored linguistic quality assurance packages on request.

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