According to cognitive psychology, Dual Coding Theory suggests we learn better when we process information verbally (audio) and visually (text). A traditional grammar book uses only visual pathways. An audio-enabled grammar book creates two mental hooks. When you hear "Il faut que tu ..." (the subjunctive of aller ), the irregular shape of the word sticks in your brain because your ear is shocked by the sound.
One of the key features of this volume is its integration of audio components to bridge the gap between theory and oral comprehension: grammaire essentielle du francais b1 audio
: Unique sections compare French grammar with English and Spanish to address common pitfalls for speakers of those languages. The Role of Audio Components According to cognitive psychology