A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. (Related post: On a scale from 1 to 10, how much do the numbers used in survey ...
Two methods of constructing equal-interval scales for educational achievement are discussed: Thurstone's absolute scaling method and Item Response Theory (IRT). Alternative criteria for choosing a ...
Throughout this report, a three-category measure of political engagement is used. The scale combines how often respondents follow politics, how often they vote and whether they have engaged in any of ...
Background: Numerical rating scales (NRS), and verbal rating scales (VRS) showed to be reliable and valid tools for subjective cancer pain measurement, but no one of them consistently proved to be ...
The Multidimensional Scale of Perceived Social Support (MSPSS) is a succinct, psychometrically robust instrument designed to evaluate an individual’s perception of support from three primary sources: ...
The Indian Council of Medical Research (ICMR) recently proposed the Impact of Research and Innovation Scale (IRIS), a scale with which to measure the impactfulness of the effects of biomedical, public ...
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