Who among the following conducted a study at Hawthorne, Illinois plant related to human relations school? 

The correct answer is Elton Mayo:

Key Points

• The Hawthorne effect is when people change their behavior because they know they're being observed. It was found during research at the Hawthorne Western Electric plant, though some doubt its accuracy.
• Elton Mayo conducted a study at the Hawthorne, Illinois plant related to human relations school.
• The term ‘Hawthorne effect’ is now widely used to refer to the behavior-modifying effects of being the subject of social investigation.

Additional Information

• Chester I. Barnard-
  • ​Chester Irving Barnard was an American business executive and pioneer in management theory and organizational studies.
  • The book entitled "The Functions of the Executive" was his landmark work of him.
  • He is regarded as the spiritual father of the "Social Systems School of Management".
• ​
• Elton Mayo:
  • George Elton Mayo (26 December 1880 – 7 September 1949) was an Australian-born psychologist, industrial researcher, and organizational theorist.
  • His major contributions include:
    • Hawthorne studies
    • The Human Problems of an Industrialized Civilization.
• Douglas McGregor:
  • ​​He propounded theory X and Theory Y of management.
  • His 1960 book The Human Side of Enterprise had a profound influence on education practices.
  • Theory Y is the practical application of Dr. Abraham Maslow's Humanistic School of Psychology, or Third Force psychology, applied to scientific management.
• Frederick Herzberg;
  • ​​Frederick Herzberg (1923-2000) was an American psychologist who developed the two-factor theory of motivation in the workplace.
  • Herzberg identified two types of factors that influence job satisfaction and dissatisfaction:
    • Hygiene Factors.
    • Motivational Factors