Hannah theorized that sleep people behave in safer ways. she tested her theory by conducting an experiment. she manipulated the amount of sleep participants got and then tested their driving ability. hannah learned that participants who got more sleep were safer drivers. in this example, hannah's theory led her to

As nina and erin were eating lunch in the central high school student cafeteria, they were discussing the news coverage about the girls' athletic coach being arrested for selling steroids to student athletes. "i think the guy just did it because they don't pay teachers enough money," nina suggested. "i bet the guy had some other kind of drug addiction he was trying to pay for," erin countered. nina and erin's ideas about the cause of the coach's drug-selling behavior are examples of: