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Testing in Software Development - - Bog - Cambridge University Press - Plusbog.dk

Testing in Software Development - - Bog - Cambridge University Press - Plusbog.dk

With the increasing application of software in systems, especially safety- or even life-critical systems, it is no longer sufficient for the software developer to rely solely on testing the code produced. Testing must begin with the specification of requirements, continue on the design and finally on the implemented system. This book gives guidance on how testing can be carried out at each of the stages of software development. It does this by looking at the development process from four viewpoints: that of the intended user of the system, of its designers, of its programmers, and of the manager responsible for development. The product of each stage of development is individually examined to see how it can be checked for correctness and consistency with earlier specifications. References are given to techniques available to the software developer and there are many helpful checklists. The contributors are all members of the British Computer Society's Working Group on Testing, and between them have an impressive breadth of practical experience in the commercial development of small and large software systems. Their combined experience makes this a most valuable book for the computing professional.

DKK 335.00
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Validity Argument in Language Testing - - Bog - Cambridge University Press - Plusbog.dk

Validity Argument in Language Testing - - Bog - Cambridge University Press - Plusbog.dk

Language tests play pivotal roles in education, research on learning, and gate-keeping decisions. The central concern for language testing professionals is how to investigate whether or not tests are appropriate for their intended purposes. This book introduces an argument-based validity framework to help with the design of research that investigates the validity of language test interpretation and use. The book presents the principal concepts and technical terms, then shows how they can be implemented successfully in practice through a variety of validation studies. It also demonstrates how argument-based validity intersects with technology in language testing research and highlights the use of validity argument for identifying research questions and interpreting the results of validation research. Use of the framework helps researchers in language testing to communicate clearly and consistently about technical issues with each other and with researchers of other types of tests.

DKK 373.00
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Narrating the New Predictive Genetics - Monica Konrad - Bog - Cambridge University Press - Plusbog.dk

Narrating the New Predictive Genetics - Monica Konrad - Bog - Cambridge University Press - Plusbog.dk

This book explores the way changes in technology have altered the relationship between ethics and medicine. For some inherited diseases, new genetic testing technologies may provide much more accurate diagnostic and predictive information which raises important questions about consent, confidentiality and use of the information by family members and other third parties. What are the implications of this knowledge for individuals and their families? And for society more widely? How should this new information be used? How do people deal with the choices that new knowledge and technologies offer? Drawing on extensive ethnographic research with families affected by Huntington''s Disease, and using perspectives from medical and cultural anthropology, the author explores the huge disparity between the experience of living with the results of genetic testing and the knowledge and expertise which are drawn on to develop policy and clinical services.

DKK 344.00
3

Understanding DNA Ancestry - Sheldon (tufts University Krimsky - Bog - Cambridge University Press - Plusbog.dk

Understanding DNA Ancestry - Sheldon (tufts University Krimsky - Bog - Cambridge University Press - Plusbog.dk

DNA ancestry companies generate revenues in the region of $1bn a year, and the company 23andMe is said to have sold 10 million DNA ancestry kits to date. Although evidently popular, the science behind how DNA ancestry tests work is mystifying and difficult for the general public to interpret and understand. In this accessible and engaging book, Sheldon Krimsky, a leading researcher, investigates the methods that different companies use for DNA ancestry testing. He also discusses what the tests are used for, from their application in criminal investigations to discovering missing relatives. With a lack of transparency from companies in sharing their data, absent validation of methods by independent scientists, and currently no agreed-upon standards of accuracy, this book also examines the ethical issues behind genetic genealogy testing, including concerns surrounding data privacy and security. It demystifies the art and science of DNA ancestry testing for the general reader.

DKK 158.00
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