In an intervention study to determine whether a vegetarian diet can college women to lose weight, 500 residents of a women's dormitory were divided into two groups: one that ate in a vegetarian dining hall and one that ate a normal diet. women were allowed to choose which group they wished to be in. after three months, the vegetarian group had lost an average of 10 pounds while the control group had not lost weight. what is the most likely source of error in this study? a. reporting bias b. the placebo effect c. random variation d. selection bias

Ablank relationship exists between an employee and a supervisor

Troy is the ceo of a manufacturing company, and he is planning to open a new factory in his community.because the new factory will require heavier traffic from delivery trucks and employees' cars, troy is partnering with the city to expand and rebuild roadways in the neighborhood.as part of opening the factory, he also plans to create a new hiring program. because he wants his workers to gain skills, he will also offer them the opportunity to attend college courses to receive business training. which of these outcomes are possible negative externalities? check all that apply. increased traffic in the neighborhood surrounding the factory better roads for drivers in the area more educated workers in the community pollution from trucks making deliveries to the factory new job opportunities in the city

Ineed ! what is the best way to combat test anxiety? a. prepare thoroughly for the test c. picture yourself getting an a b. take deep breaths during the test d. none of these