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Best Science Supplies, offering quality scientific equipment and supplies since 1988. If you buy multiple items, we will adjust the shipping and refund you the difference to reflect the actual shipping and handling costs. Our prime manufacturers are certified with ISO and CE, respectively, Norway's and The Netherland's Ministries of Health. These instruments are constructed of high grade surgical stainless steel. Should you be dissatisfied in any way with your purchase, please do not hesitate to contact us. We strive to assure your satisfaction.Price:
This book provides a thorough presentation of instrument construction, from conception to development and pre-testing of items, formatting the instrument, administration, and, finally, data management and presentation of the findings. Throughout the book, the authors emphasize how to create an instrument that will produce trustworthy and accurate data. To that end they have included guidelines for reviewing and revising the questionnaire to enhance validity and reliability. They also show how to work effectively with stakeholders such as instruments designers, decision-makers, agency personnel, clients, and raters or respondents.
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This book covers the essential information needed to understand the problems involved in translating existing questionnaires and other paper and pencil instruments from one language to another as well as to apply methods for dealing with them. It shows researchers how to identify the problems (comparison of parameters, nomological nets, and semantic problems) with an existing instrument; how to solve each of these problems with step-by-step guidelines; and techniques for reconstructing an instrument or designing an original one to use with different cultural groups. This book will provide researchers with a guide for construction of cross-national survey instruments.
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