English to Portuguese Marketing Advertising / Public Relations

A good copy testing system provides controls to avoid the bias normally found in the exposure context. The context in which an advertisement is contained (e.g., the clutter or lack of clutter in a magazine) will have a substantial impact on how the ad is received, processed, and accepted. For this reason, copy testing procedures should attempt to duplicate the eventual context of an advertisement or commercial
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procedimentos de teste de cópia? de texto? de versão?
Qual é a tradução adequada para a palavra COPY, neste contexto?