Astudy involves three variables: income level, hours spent watching tv per week, and hours spent at home on the internet per week. list some ways the variables might be confounded. (select all that apply.) people with lower incomes might not own tvs or computers. people with higher incomes might not own tvs or computers. spending more time on-line might lead to spending less time watching tv. people with higher incomes likely will have high-speed internet access, which will lead to spending more time on-line. people who spend time at home on the internet never watch tv. incorrect: your answer is incorrect.