Low-cal dog food A dog food company wants to compare a new lower calorie food with their
Chapter 12, Problem 20(choose chapter or problem)
Low-cal dog food A dog food company wants to compare a new lower calorie food with their standard dog food to see if its effective in helping inactive dogs maintain a healthy weight. They have found several dog owners willing to participate in the trial. The dogs have been classified as small, medium, or large breeds, and the company will supply some owners of each size of dog with one of the two foods. The owners have agreed not to feed their dogs anything else for a period of 6 months, after which the dogs weights will be checked. a) Identify the treatments, the experimental units, and the response variable. b) Describe a method of assigning treatments if this is to be a randomized block design with size of the breed as the blocking variable. c) Is blinding important in this experiment? Doubleblinding? How could blinding be conducted?
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