Adult Participation in Lifelong Learning. The impact of using a 12-months or 4-weeks reference period.

This technical briefing deals with adult participation in lifelong learning. In particular, it focuses on the implications associated to the use of different statistical sources (LFS, AES/CVTS and PIAAC), characterized by different reference periods and different definitions of lifelong learning. The main objective of the technical briefing is to examine the impact of using a 12-month or 4-week reference period on access to and intensity of adult learning. But technical briefing also includes a review of the state of the art in the field of measurement of adult perception to lifelong learning, and some statistics about the variance according to different labour market status and age groups.