While it is accepted that there are "sensitive" and "critical" periods of life during which certain human capabilities are more readily acquired, and where the multiplied returns on our investment in human capability building are more significant, it is also argued that there are place-based contexts (society, nature, culture,…

The Programme for International Assessment of Adult Competencies (PIAAC) will establish technical standards and guidelines to ensure that the survey design and implementation processes of PIAAC yield high-quality and internationally comparable data. This document provides a revised version of the technical standards and guidelines originally…