One saturday, clayton was sitting at home when the telephone rang. a local company was making promotional calls and told clayton he had just won a $500 gift certificate. he felt a rush of excitement at the thought of what he could do with $500. now clayton finds that whenever he hears a telephone ring, he feels a little surge of excitement. in this example, the conditioned response is

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.