A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Pew Research Center has a long history measuring the public’s knowledge about ...
A valid measure of dependence on cigarettes is needed both for effective preventive care and for research purposes. There are two traditions of measurement in clinical sciences: the clinimetric ...
A digital weigh scale is one of the most precise analog instruments. Weigh scales, which use force sensors to measure the load offered by an object, are used in a multitude of applications ranging ...
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