Scientific Writing: Cohesion

Cohesion: the way ideas and information are linked to each other in text

What you put in your sentence beginnings and endings helps to make links between sentences and helps your paragraph to flow. This is important for connecting the ideas and information in different sentences to each other. Certain kinds of words help in this linking process. They are:

Reference words These words refer the reader to something already said without having to repeat the whole idea. this, these, other etc.
Vocabulary choices repeated words, synonyms or more general vocabulary items (e.g. factor, reason, etc.’)
Conjunctions These are very important in showing the relationships between ideas. However, if, because, etc.

See the Introduction section, Information Flow, for more explanation about how to link ideas across sentence boundaries depending on what you put in the beginning and end of a sentence.

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