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We would like to take this opportunity to thank all of those individ­ uals who helped us assemble this text, including the people of Lockheed Sanders and Nestor, Inc., whose encouragement and support were greatly appreciated. In addition, we would like to thank the members of the Lab­ oratory for Engineering Man-Machine Systems (LEMS) and the Center for Neural Science at Brown University for their frequent and helpful discussions on a number o...

Looks at the ways in which our planet and its inhabitants have been damaged by or are under threat from the consequences of human activity. This series includes books, which take a positive approach in text and images, showing what is being done to repair damage and protect the environment for the future.

This book is a collection of original research from the leading scholars in sociology and economics studying mobility and inequality. The volume brings together the state-of-the-art in the field and sets the agenda for future research.

Putrescine and spermidine are ubiquitous in living organisms. Spermine, third of the three most commonly occurring natural polyamines, is probably present in all eukaryotes but is rare (or nonexistent) in prokaryotes. Polyamine residues are constituents of many compounds found in plants and insects. Putrescine, spermidine, or spermine-containing alkaloids are found in many plants, nonproteinaceous spider and wasp toxins contain polyamine resid...

The extensively revised edition of the bestselling Focus Groups as Qualitative Research continues to provide an excellent guide for researchers across the disciplines. Reflecting the many changes that have occurred in the study of focus groups in recent years, the book begins with an updated introduction offering a discussion of current social science approaches to focus groups. Expanded coverage on the comparison of focus groups to individua...

Providing a general introduction to focus group research, Morgan includes the appropriate reasons for using focus groups and what you can expect to accomplish with them. He provides a brief history of focus groups, a discussion of when to use focus groups and why, and several brief case studies illustrating different uses of focus groups. The author covers the timeline and costs associated with focus groups, including a discussion of the ethic...

The extensively revised edition of the bestselling Focus Groups as Qualitative Research continues to provide an excellent guide for researchers across the disciplines. Reflecting the many changes that have occurred in the study of focus groups in recent years, the book begins with an updated introduction offering a discussion of current social science approaches to focus groups. Expanded coverage on the comparison of focus groups to individua...