Final answer:
For a 2 credit hour class, a student should spend 4 hours outside of class studying, which follows the 2:1 Rule for study time in college.
Step-by-step explanation:
According to the 2:1 Rule for study time in college, a student should spend approximately two hours of study time for every hour of class time. Therefore, for a 2 credit hour class, a student should spend 4 hours outside of class studying, making option C the correct answer.
This rule facilitates a guideline for students to manage their time effectively and ensure they are dedicating enough time to understand course materials thoroughly.