Running Head: Science Identity and Self-Efficacy. DRAFT: DO NOT CITE WITHOUT AUTHORSâ PERMISSION. Considering the Role of Gender in Developing a Science Identity: Undergraduate Students in STEM Fields at Large, Public, Research Universities.
Separating the parts of a sentence. Commas are used to separate an introductory word or phrase from the main sentence, or to separate a word or phrase that briefly interrupts the flow of the sentence. In the examples below, the introductory and interrupting words or phrases have been italicised.
Comma Use. 1  1. Use commas to separate independent clauses when they are joined by any of these seven coordinating conjunctions: and, but, for, or, nor, so, yet. 2  2. Use commas after introductory a) clauses, b) phrases, or c) words that come before the main clause.