OPEN STUDY By N., Sam M.S. - 85 a study wherein new partakers of a study can be included into such after the study has started. OPEN STUDY: "The open study began with 42 participants and ended with 113." Related Psychology Terms Discrimination and Mental Illness in the LGBT Population Evaluation of a Qualitative Study A Comparison of Maternal and Paternal Filicide The Anatomy of Research and the Scientific Method Evaluation of a Quantitative Study PMDD: Can It Be Cured? OBSERVATIONAL STUDY DYSSOCIAL REACTION FREUD, SIGMUND (1856-1939) SCHIZOID PERSONALITY (Schizo- thymic Personality) Cite this page: N., Sam M.S., "OPEN STUDY," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/open-study/ (accessed December 1, 2022).