Aprofessor wanted to compare two types of teaching styles. one type is by tutorials and the other is giving a lecture. it is a common belief that tutorials result in better retention. this belief is tested by having 10 students learn a topic by each method and then having them take a test on their knowledge of the material that was covered. them take a test on their knowledge of the material that was covered. a coin flip was used to determine which type of teaching method a student would be given firstteaching method a student would be given first. results indicated that there was no difference in the two types of presentationpresentation.