This page will provide an introduction to understanding and using library call numbers. Each book in the library has a unique call number. A call number is like an address: it tells us where the book is located in the library.
Definition of Correlation: Correlation is a statistical technique that is used to measure and describe the STRENGTH and DIRECTION of the relationship between two variables. Correlation requires two scores from the SAME individuals.
Coherence (physics), an ideal property of waves that enables stationary (i.e. temporally and spatially constant) interference. Coherence (units of measurement), a derived unit that, for a given system of quantities and for a chosen set of base units, is a product of powers of base units with no other proportionality factor than one.