Nora is interested in differences in amount of content retained from a lecture based on time of class. She compares her two sections. Section A meets at 8 am and Section B meets at 2 pm. She tests students in both sections, unannounced, on content that she taught two weeks ago.
Which of the following designs is Nora best illustrating?

a. One-group posttest-only design
b. One group pretest-posttest design
c. Posttest only control group design
d. Posttest-only design with nonequivalent groups

What makes water a renewable source

Give an example to prove that your society is developed more than it was before 10 years ?

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.