Which would most significantly combat the spread of aids in countries in africa? a)stricter laws prosecuting people who knowingly spread hiv. b)improved education that would lead to better job opportunities. c)clean air and water regulations that promote a healthier environment. d)stable governments that can spend more money on infrastructure and healthcare.

Why was the leo frank case important ?

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.

Experiment to investigate effect of medication on levels of stress in males and females. dependant variable?