The Center for Effective Organizations (CEO) has administered surveys of the human resource function in 1995, 1998, 2001, 2004, 2007, 2010, 2013, 2016, and 2019. The results of the surveys yielded important data and publications on how Human Resource departments have operated and changed throughout the years. It is frequently cited and provides valuable information about HR effectiveness. Recently, CEO has completed its ninth study, and fourth global study.