George is evaluating the employee assistance program (EAP) at his vendor company. To George's surprise, survey results show that employees who use the EAP are more stressed than employees who do not use the EAP. He concludes that the EAP worsens employee stress. Which of the following statements, if true, would most seriously weaken the above argument? radio_button_unchecked Some employees who use the EAP are more stressed than others. radio_button_unchecked Employees who use the EAP are also less likely to eat healthy foods. radio_button_unchecked Employees who use the EAP also report higher job satisfaction. radio_button_unchecked Employees who are highly stressed are less likely to fill out surveys. radio_button_unchecked Employees who are highly stressed are more likely to use the EAP