What did the research team conducting the Hawthorne Studies conclude about why worker productivity improved during many portions of the study? What did the research team conducting the Hawthorne Studies conclude about why worker productivity improved during many portions of the study? Productivity improved due to increased illumination level (better lighting in the room). Productivity improved because the employees were very interested in the task. Productivity improved as a function of increased attention given to employees by management and researchers. Productivity improved for no reason