OPIC: STUDY OF PSYCHOLOGY: CHANGES IN THE FIELD SINCE 19TH CENTURY In a research/opinion paper you are being asked to cover the following topics including: scientific research (case studies, observations, surveys, longitudinal vs. cross-sectional techniques),  and how researchers methods of gathering and applying information has advanced  to improve accuracy, handle larger populations and increase accuracy. FORMAT: COVER PAGE: Name, Class,,Title, PAPER #__ LENGTH: Three pages (3), double-spaced, NOT INCLUDING TITLE & REFERENCE PAGE, APA or MLA Textbook: Psychology. Rice University.OpenStax College.   E-textbook: openstaxcollege.org Textbook is available for free download.