Diversity in Survey Questions on the Same Topic 124 Economic pressures to extend the

Economic pressures to extend the lives of existing plant are becoming more intense

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Proceedings of the IUTAM Symposium held in Cairo

Diversity in Survey Questions on the Same Topic 124 Economic pressures to extend theThis book describes why conventional methods fall short to solve the comparability problem and introduces three successive innovations to overcome these shortcomings. Comparability of results from different surveys using different items for the same topic is greatly hampered by the differences in response scales used. This reduces our accumulation of knowledge and has challenged researchers in the field of survey research for long to develop