Lisibilité et persuasion : étude sur l'effet de la lisibilité des textes de communication environnementale

Liao, Shiyin
(2026)

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LIAO_00242400_2026.pdf
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LIAO_00242400_2026_Annexe1.pdf
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Details

Supervisors
François, Thomas
Faculty
Faculté de philosophie, arts et lettres
Degree label
Master [120] en communication multilingue, à finalité spécialisée: langues des affaires
Abstract
enThis thesis examines how the readability of environmental communication texts influences their perceived persuasive force. Using an online questionnaire with 82 valid participants, the research evaluates the impact of linguistic factors, the theme discussed (mobility vs. biodiversity), and the readers' prior ecological engagement. The results reveal that syntactic complexity is the main barrier to persuasion. Furthermore, high readability encourages action for daily issues (mobility), while increased textual complexity legitimizes discourse on macro-ecological problems (biodiversity). Finally, a less engaged audience requires a fluent reading experience, whereas a highly invested audience is more persuaded by demanding texts. In conclusion, environmental communication requires a strategic adaptation of the linguistic form according to the target audience and the issue at hand.