We have compiled a list of supportive research geared towards business and relationships.

Ask any chief executive to list his or her most pressing business challenges, and you will no doubt hear concerns about customer and employee retention, authentic and sustainable growth, eroding margins, and cost efficiencies. Clearly, there is no single solution to those challenges. But we are confident that measuring and manging two simple factors - employee and customer engagement - can lead to breakthrough environments in all aspects of your business.

"Actively disengaged" employees -- those fundamentally disconnected from their jobs -- cost the U.S. economy between $292 billion and $355 billion a year, The Gallup Organization estimates in the inaugural issue of its new quarterly, the Gallup Management Journal (GMJ).