‘Yes? I have no idea’: teacher turns containing epistemic disclaimers in upper primary school whole-class discussions

Teacher strategies for fostering collaborative historical reasoning in whole-class discussions

Whole-class discussions in which students and teacher reason together and coconstruct knowledge are, next to small group work, important in communities of learners. In this study we address the question of what strategies history teachers use to provoke and support collaborative historical reasoning in whole-class discussions. Analyses included transcripts of four whole-class discussions and st...

Brain fumes: yes, we have NO brain gas.

Nitric oxide (NO) is improbable as a conventional neurotransmitter. It is not an amine, amino acid, or peptide; it is not stored in synaptic vesicles or released by exocytosis; and it does not interact with specific receptor subtypes in neuronal membranes. However, NO is synthesized upon demand in the brain, diffuses to receptor sites within the enzyme guanylyl cyclase, and has neurotransmitter...

Genetically Modified Food: Yes or No?

Collaborative teacher learning in different primary school settings

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radical iort, yes or no?

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