A researcher is interested in whether students who play sports have a higher or lower body mass index (BMI) than students in the general population. The researcher is unsure whether playing sports will decrease body mass (due to more calories burned) or increase body mass (due to more muscle mass). This is a _____ -tailed test and the zcv is _____

People who smoke are also more likely to drink excessively, and people who overeat usually do not get enough exercise. These observations illustrate that

a. many people have a disease-prone personality. b. genetics plays a strong role in one's addictions. c. unhealthy lifestyles almost always create multiple risks. d. the causes of poor health are coincidental and unpredictable.

Hobbes, along with many theologians and philosophers, believed human nature to be ____, whereas Rousseau believed it to be basically ____.?

a. ?rational; impulsive b. ?good; animalistic c. ?animalistic; good d. ?good; selfish