Professor Jacobs believes that sleep deprivation is related to conflicts between roommates. He collects data on the number of hours of sleep and the number of conflicts for a group of college students over the course of a month. He obtains a correlation coefficient of –0.75. In the context of correlational research, which of the following is the most likely conclusion from the results of his study? a. sleep deprivation causes fewer conflicts
b. sleeping too little is associated with more conflicts
c. seventy-five percent of the conflicts investigated are not related to sleep deprivation
d. sleep and conflict are not related