
Dialogic Teaching
How teachers can use connected classroom dialogue to develop reasoning, while maintaining disciplinary standards and broad participation.
來源
完整課程摘要
Dialogic teaching treats classroom talk as a way of developing ideas together. Learners explain, question, challenge, and build on contributions, while the teacher connects the discussion to an educational purpose. It is more than allowing students to speak after a presentation. A dialogue becomes intellectually useful when participants engage with one another's reasoning and the conversation accumulates understanding instead of remaining a series of unrelated answers.
Robin Alexander's account emphasizes qualities such as collective, reciprocal, supportive, cumulative, and purposeful talk. These qualities describe how a discussion functions. Supportive talk permits uncertainty and disagreement without ridicule. Cumulative talk links contributions so that later ideas respond to earlier ones. Purposeful talk retains a learning direction even when the teacher cannot predict every response. The teacher therefore has an active role in selecting questions, interpreting answers, and deciding when explanation or correction is needed.
Imagine a history lesson comparing two accounts of the same public event. One learner argues that the sources disagree because one author was dishonest. Another points to their different locations and access to information. Rather than immediately announcing the preferred answer, the teacher asks which passages support each interpretation. A third learner adds the date of each account. The class then revises its explanation to consider perspective, timing, and evidence. The conversation becomes cumulative because each contribution changes what the group can reasonably claim.
Useful teacher moves include asking a learner to clarify a term, inviting a peer to paraphrase an argument, requesting a counterexample, and returning to an earlier claim after new evidence appears. Wait time gives participants a chance to formulate a response. Brief paired preparation, writing, diagrams, or home-language discussion can widen access before whole-class talk. Participation should not be measured only by the number of turns taken; a short question that exposes an assumption may be more consequential than a long speech.
Dialogue needs disciplinary boundaries. Not every interpretation is equally supported, and a respectful discussion can still contain misinformation. Teachers should distinguish open questions from established facts, correct harmful or false claims appropriately, and show how evidence constrains an answer. They also need to notice whose contributions receive attention and whose ideas are routinely overlooked. A classroom can sound lively while authority remains concentrated among a few confident speakers. Inclusion requires both opportunities to contribute and serious uptake of those contributions.
An evaluation of dialogic teaching should inspect the quality of talk and learning beyond the discussion. Alexander's research and the Education Endowment Foundation trial provide evidence about particular programmes and settings, not a guarantee for any activity labeled dialogue. Teachers can review a short transcript, trace how ideas were taken up, and assess a later independent explanation. The goal is a conversation that leaves learners better able to reason with evidence, listen critically, and revise their own accounts. More talk is useful only when it advances those purposes.


