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 refers to the logical flow of ideas in a paragraph. A paragraph is coherent when each sentence leads smoothly into the next one through the use of transitional expressions, logical relation of ideas, repetition of key words, and/or the use of pronouns to refer to a previous subject.