If you're serious about understanding what makes people happy, engaged, and full-filled — at work and in life — you must understand what motivates them. The most powerful motivation comes from within — from our core values.

Frederick Herzberg (1923-2000) published the “two-factor” theory of workplace motivation — more commonly known as the “motivation-hygiene” theory — in his book entitled “The Motivation to Work” (1959).

Daniel H. Pink published the bestselling business book “Drive: The Surprising Truth About What Motivates Us” (2009), which provides a comprehensive summary of nearly half a century of scientific research on human motivation, and suggests an apparent “mismatch between what science knows and what business does.”

Your core values, also known as your "motivators," are the single most important element of your personality to understand. They are arguably, the single most important element of job performance, yet they are frequently overlooked in the hiring process.

Over at the Leadership Now Blog, they’ve examined five of the best new leadership books coming out over the next month.

Research studies of top salespeople in the United States, Germany and China revealed some interesting results. Take a look at the charts below.

Universal Sales Truth: To a prospect, any price is too high until he or she understands the value of your product or service. To deliver value to a prospect, salespeople have to first understand what the prospect perceives as value.

Job performance and team performanceare both high-priority and highly complex issues for leaders, which are affected by many elements. (See: Layers of Performance Model)