According to a study conducted by a team of researchers at CNRS and the universities of Grenoble, Paris Descartes and Aix-Marseille in collaboration with the Faculty of Psychology and Educational Sciences of the University of Geneva, “decoding ability” is the most important skill needed by first-year primary school children for learning to read.

The results of the study showed that among all the factors involved in reading comprehension, decoding ability accounted for 34%!, oral comprehension 8.9%, vocabulary 4.5%, before other factors like spoken language characteristics, attention span, or memorization capacity.

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