Which of the following is a null hypothesis for the research question: Are there differences in final class grades between students who are taught psychology in a lecture format or self-paced?
◦ Students in self-paced conditions have higher class grades in psychology than those in lecture classes.
◦ There are differences in final class grade between students taught psychology in lecture versus self-paced format.
◦ There are no differences in final class grade between students taught psychology in lecture versus self-paced format.
◦ Students taught psychology in lecture format receive higher class grades than those in self-paced conditions.