In which type of study would you have the most confidence? Please choose the correct answer from the following choices, and then select the submit answer button. A. a randomized clinical trial with 5,000 rats B. a randomized clinical trial with 10,000 rats C. an epidemiology study with 15,000 rats D. an endorsement of a product by the President of the United States

In e. c. tolman's experiment, some rats were trained to run through mazes for standard food goals, while other rats were allowed to explore the mazes for 10 days without food goals or other rewards. later, when food rewards were placed in a box at the far end of the maze, the previously unrewarded rats reached the food box as quickly as the rewarded rats after only one or two trials. this experiment demonstrated that the rats had the ability to form of their surroundings.