A method for studying changes in group patterns, --particularly groups based on age--cohort analysis seeks to isolate changes attributable to alterations in behavior or attitudes within an age group. A highly flexible tool, cohort analysis presupposes minimal background in data analysis.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $20. ThriftBooks.com. Read more. Spend less.