A clinical manager at a community health center has asked an intern to develop a pilot study on the effectiveness of two altenating approached to breast cancer education. The intern wants to measure the knowldege women have about breast cancer before and after the distribution of a brochure or before and after a session with the physician. Which methodology will provide information about the effectiveness of one cancer education method over the other? 1) evaluationg participants knowledge, 2) Analyzing participants medical records, 3) Video taping participants reading the brochure, 4) Surveying participants about the experience.