Sally begins to think about the classes she's enrolled in at her university. She notices that she speaks a lot in three of her class and very little in two of her classes. She also notices that the classes in which she speaks have female instructors and that she rarely speaks in the two classes with male instructors. She begins to list all her college courses, the gender of the professor and whether or not she spoke in the class. She notices that she tends to speak in classes where the instructor is female and rarely speaks when the instructor is male. Sally is using