Open the Factorial Design Worksheet and read the scenario presented about the weight control experiment. Use the description of the experiment to answer the questions about factorial design at the bottom of the worksheet. A narrative format is not required.
some reading and a video will help with some knowledge on assignment, but do not reference.
https://web.archive.org/web/20180814145336/http://web.mst.edu/~psyworld/between_subjects.htm

https://www.youtube.com/watch?v=1o4CO2mBmgU