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Population and demographic dataa profile of India's publication programme (Demographers' Notebook)。
While ensuring that data are available and available on time, it is imperative to ensure also that they are of good quality – reliable (of sound quality) and valid (meaning that they do measure what t...
This article analyses several key aspects of data collection on older people, including survey design and questions. It also critically examines the current range of UK and international sources for d...

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