1. Division of society on the basis of class is A. Peculiar to few affluent societies
B. Of comparatively recent origin
C. Found in all societies since times past
D. Found in several societies

2. Which of the following is NOT a major cause of social stratification?

A. Social tensions
B. Absence of change in social values
C. Natural calamities
D. None of the above

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.