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.
Denier is a unit of measure for the linear mass density of fibers. It is defined as the mass in grams per 9,000 meters. In the International System of Units the tex is used instead (see below).The denier has its standard based in nature, a single strand of silk is one denier.ommes (mm) is a unit of weight traditionally used to measure the density of silk. It is similar to the use of thread count for cotton fabrics. Mommes express the weight in pounds, of a piece of material of size 45 inches by 100 yards. Silk is measured by weight either by grams or by momme (mm).