You have traveled more than 1,000 miles with the caravan. Around the campfire at Dunhuang, you listen to fellow travelers discussing the teachings of Buddhism, Hinduism, and Confucianism. You sit down to record your thoughts about Dunhuang, the conversation around the campfire, and your visit to a cave shrine. What effect do you think the Silk Road has had on the spread of religion and ideas?

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.