Didactics focuses on the disciplinary content to be transmitted, while pedagogy concerns the way to conduct the class. This distinction, which seems clear in theory, poses concrete problems as soon as a teacher prepares a lesson: should one first think about the knowledge or the student? The short answer: both, but not at the same moment in the planning process.
Didactic Transposition: Transforming Knowledge Before Teaching
Before any intervention in the classroom, an invisible work takes place. Didactic transposition refers to the transition from knowledge as it exists in the scientific community to teachable knowledge, adapted to the learners’ level. This concept, central to didactics, forces the teacher to ask a precise question: which elements of the reference knowledge should be retained, simplified, or discarded for a given audience?
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This operation is not mechanical. Selecting concepts, ordering them in a logical progression, identifying cognitive obstacles specific to a discipline: all of this falls under didactics. A mathematics teacher teaching fractions does not perform the same transposition work as a French teacher addressing the subjunctive conjugation. Each discipline imposes its own transposition constraints.
To understand the difference between didactics and pedagogy, this transposition step is the best starting point: it shows that didactics exists upstream of the classroom, in the preparation of the content itself.
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Classroom Pedagogy: Managing the Teacher-Learner Relationship
Pedagogy comes into play when the teacher is in front of their students. It concerns method choices, group management, interactions, and the pace of the session. According to Legendre’s definition, pedagogy is a normative discipline whose object focuses on the teacher’s interventions in real situations.
Pedagogical methods are numerous: expository (the lecture), interrogative (guided questioning), active (situational tasks). Each produces a different relationship between the teacher and the learner.
- The expository method places the teacher at the center: they transmit, the student listens and takes notes. It remains effective for establishing a dense factual framework in a short time.
- The interrogative method partially reverses this dynamic: the teacher guides through questions, and the learner gradually constructs their understanding.
- The active method engages the student in a concrete task (problem-solving, projects, experimentation) and reduces the teacher’s speaking time in favor of learning through action.
The choice of a pedagogical method does not solely depend on the teacher’s preferences. It also stems from the content prepared during the didactic phase. An abstract concept that presents known cognitive obstacles benefits from being approached through a problem-situation, while a factual recall can be addressed through a brief expository format.
The Pedagogical Triangle: Where Didactics and Pedagogy Intersect
The model of the pedagogical triangle, widely used in teacher training, represents three poles: knowledge, the teacher, and the learner. Each side of the triangle corresponds to a type of relationship.
The teacher-knowledge relationship falls under didactics. The teacher analyzes the content, breaks it down, sequences it. The teacher-learner relationship falls under pedagogy. The teacher chooses how to interact, motivate, and assess. The learner-knowledge relationship is where the learning itself takes place.
None of the three sides functions in isolation. A perfectly structured lesson from a didactic perspective but conducted without attention to student reactions will fail. Conversely, a brilliant class animation built on poorly transposed content will not produce lasting learning.
Terminological Confusion: A Problem That Goes Beyond France
In French, the distinction between didactics and pedagogy has been established since the early 1980s. The creation of the International Association for the Development of Research in Didactics of French as a Mother Tongue (DFLM) in 1986 helped to solidify the meaning of the term “didactics” as a distinct discipline.
This separation does not exist everywhere. In English, the word “pedagogy” encompasses both what French calls pedagogy and didactics. German-speaking contexts use “Didaktik” with a broader meaning than in French. This asymmetry creates concrete obstacles in international exchanges, particularly in Erasmus+ type programs where teachers from different traditions must collaborate on common frameworks.
For a French-speaking teacher, knowing this terminological peculiarity avoids a common pitfall: reading an English article on “pedagogy” while thinking it only deals with classroom management, when it also addresses the structuring of disciplinary content.
Articulating the Two in Lesson Preparation
The most coherent work sequence follows a precise order. First, the teacher identifies the reference knowledge and performs the didactic transposition: what should students learn, what prerequisites are necessary, what obstacles are foreseeable? Then, they choose the pedagogical method suitable for the transposed content and the profile of their class.
- Define the learning objective in terms of observable competence, not in terms of content “to cover”.
- Anticipate learners’ misconceptions about the targeted concept, which falls under didactic analysis.
- Select a pedagogical format (problem-situation, group work, guided exercise) that forces the student to confront their representations with the targeted knowledge.
Didactics prepares the ground, pedagogy conducts the action. Separating these two phases in planning avoids confusing the animation of a session with its intellectual design. A teacher who masters this articulation becomes more effective because they know when they are working on content and when they are working on the relationship with the learner.
The distinction between didactics and pedagogy is not just an academic debate. It structures how a session is prepared, conducted, and evaluated. Teachers who practice it daily do not always articulate it, but they experience it every time they transition from reading the curriculum to managing a group of students in class.