Psychology Glossary. Correlation Coefficient. This is a measure of the direction (positive or negative) and extent (range of a correlation coefficient is from -1 to +1) of the relationship between two sets of scores. Scores with a positive correlation coefficient go up and down together (as with smoking and cancer).
Den (room) A den is a small room in a house where people can pursue activities in private. In the United States, the type of rooms described by the term den varies considerably by region. It is used to describe many different kinds of bonus rooms, including studies, family rooms, home offices, libraries, home cinemas, or even spare bedrooms. In some places, particularly in parts of the British Isles, a small den may be known as a snug.
Denver International Airport (DEN) Denver International Airport (DEN) is a major airline hub, the sixth-busiest airport in the United States and 19th-busiest in the world, serving the third most destinations of U.S. airports. Since the airport opened in 1995, it has consistently won readers' choice awards from publications like Business Traveler Magazine, including again in 2009.