Which of the following statements is positive? Select one: a. Social security benefits are not taxed. b. I am absolutely positive that there is a better way. c. There is a limit to the income each year to which the FICA tax applies, but that is fair, since there is a limit to social security benefits. d. Social security payments to retirees should not be taxed

Dr. redbull conducts a study to determine whether her new energy drink children perform better on spelling tests. she randomly assigns children to one of two groups: group 1 receives her energy drink and group 2 receives water. she then gives both groups a spelling test and compares the results. which of the following is true about this study? a. group 1 is the dependent variable and group 2 is the independent variable. b. this is a correlational study. c. group 2 is the experimental group. d. the independent variable is the type of drink the children receive.