See a list of terms and descriptions A-C from the Teaching Knowledge Database


Accuracy refers to how correct learners' use of the language system is, including their use of grammar, pronunciation and vocabulary.

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Achievement test

An achievement test evaluates a learner's understanding of a specific course or study programme.

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Acquisition is the way we learn our first language, i.e. through being involved in real communication, and without formal teaching.

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Action research

Action research is a development tool for a teacher that involves observing or gathering other data about a class through interviews, case studies, and questionnaires.

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Adverbial clause

An adverbial clause tells us more about a main clause, in the same way as an adverb tells us more about a verb.

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Affective factors

Affective factors are emotional factors which influence learning. They can have a negative or positive effect.

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Affective strategies

Affective strategies are learning strategies concerned with managing emotions, both negative and positive.

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Affixes are groups of letters that are added to the beginning or the end of words to make new words.

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Affricates are consonant sounds made up of a stop, like /t/, immediately followed by a fricative, like /s/.

Research and insight

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