What is qualitative secondary analysis? How can it be most effectively applied in social research? This timely and accomplished book offers readers a well informed, reliable guide to all aspects of qualitative secondary analysis. The book: Defines secondary analysis. Distinguishes between quantitative and qualitative secondary analysis. Maps the main types of qualitative secondary analysis. Covers the key ethical and legal issues. Offers a practical guide to effective research. Sets the agenda for future developments in the subject. Written by an experienced researcher and teacher with a background in sociology, the book is a comprehensive and invaluable introduction to this growing field of social research.

Sampling: Estimates and Size

Sampling is the process of selecting a sub-set, of people or social phenomena to be studied, from the larger ‘universe’ to which they belong, which process in the case of probability or representative samples is based on the statistics of probability theory but can be reduced to a simple look-up table to decide how big a sample is needed.

Section Outline: Confidence in estimates. Estimating proportions. Confidence intervals. Levels of confidence. Sample size depends on need for precision and correctness, not size of ‘universe’. Limits to gain in increasing sample size. Look-up table for sample size. Reporting estimates: conventional approach.

Most quantitative sociological research relies on fairly low Levels of Measurement and so is more concerned with proportions within, and simple counts of, ...

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