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 DRAFT: DO NOT CITE WITHOUT AUTHORSâ PERMISSION.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.
1 Separating the main elements of a sentence from each other. 2  Setting off a parenthetical element from the rest of the sentence. 3  Separating elements in a series. 4  Setting off dialogs or quotations.  Other uses of the comma.