Penny poodle wanted to know which dog obedience training program was more effective: puppy pride, the approach she has been using for many years, or dogge do-right, a new approach. penny convinced 50 human companions of untrained dogs to participate in her study. the dogs and their humans were randomly assigned to complete the puppy pride or doggie do-right course. at the end of the training programs all of the dogs were scored on their level of obedience on a standardized dog obedience checklist (scores could range from 10 to 100). the study employed what type of design? a. one shot experimental b. ex post facto c. posttest only control group design d. within subjects