Singin' in the rain includes a number of musical and dance pieces throughout the film. don's piece starting at time code 01: 15: 34 is one example of this. how is music used in the film? if you were the filmmaker, would you make any changes to the use of music in the film? if so, what changes would you make and why? if not, why not?

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.