, , HAWTHORNE EXPERIMENTS google_ad_channel =""; Those experiments showed no clear connection between productivity and the amount of illumination but researchers began to … Is it possible to guard against the Hawthorne effect? This experiment was conducted to establish relationship between output and illumination. //-->. groups should be used to increase productivity as informal groups influence Initially, a direct approach was used whereby interviews asked questions considered important by managers and researchers. This phase aimed at knowing not only the impact of illumination on production but also other factors like length of the working day, rest hours, and other physical conditions. Research on productivity at massive manufacturing complexes like the Hawthorne Works was made possible through partnerships among industries, universities, and government. His conducted studies, together with the Hawthorne studies, became the base for his lifelong breaking theories on Human Relations and scientific management. Its very helpful in my study and also saves time and i am also hoping that it will help me in future also for getting info about various management subjects.great work .thanks!