National Research and Development Centre for Adult Literacy and Numeracy (NRDC)

All the latest research documents along with related practitioner resources and papers such as this excellent paper on teaching measures at Entry Level: Measurement was not taught when they built the pyramids - was it? Baxter, M. (2006). 

The NRDC also has many research documents about the embedded teaching and learning of adult literacy, numeracy and ESOL in a range of vocational areas (childcare, engineering, complementary healthcare, etc.) such as the classic You wouldn't expect a maths teacher to teach plastering....

Editor's note (Sept 2018)

NRDC closed in January 2016 but, for now, the site and many of its resources remain.