Project – Research axis – Pedagogy and didactics

Pseudo-SOF (Pseudo-words and the french orthographic system)

This study aims to identify the graphemes or series of graphemes which are the hardest to decode in French.

Brief research overview

The learning methods of the reading-decoding process rely on a progression in the presentation of grapho-phonemic matches based on the consistency and regularity of these conversions. However, it appears that the pronunciation of certain graphemes, considered to be relatively consistent, is much more dependent on context than previously thought (e.g., e, in, an). Participants will be required to read aloud pseudo-words presented on a computer screen as quickly and accurately as possible. The latency times between the time when the item appears on screen and the start of their oral responses will be recorded, as well as the responses.

Main objectives

This research aims to:

  • Evaluate, by surveying adult expert readers, the possible processing costs generated by certain series of graphemes frequently used in the French spelling system.

Associated researchers


Anne-Françoise de Chambrier, professeure à la HEP VD: anne-franç


Catherine Martinet, professeure à la HEP VD:
Myrto Atzemian, assistante à la HEP VD:
Michel Fayol, professeur émérite à l’Université de Clermont-Ferrand:
Pascal Zesiger, professeur à l’Université de Genève:



For more information

Please contact directly one of the researchers whose email is mentioned above. Thank you.

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