Carl Jung, the Swiss psychologist, developed a way to systematically examine eight basic tendencies toward which different types of people tend to gravitate: introversion or extraversion, sensing or intuition, thinking or feeling, and judging or perceiving. This booklet examines what these tendencies mean and how people with different characteristics often behave in meetings, why "opposites" may quite unintentionally aggravate each other, and how the people who run meetings can make the best use of these tendencies. A set of five statements is presented for each of the four groups of tendencies to allow readers to determine their own tendencies. The possible combinations of the 4 preferences results in 16 possible types. A chart briefly illustrates the uniqueness and commonality of the 16 types and is followed with instructions for using the chart. A discussion of four type interactions, described as the four temperaments, concludes the booklet. (MLF)