An IERI – International Educational Research Institute Journal
From: Are large surveys of adult literacy skills as comparable over time as we think?
Cohort | 1994 IALS | 2003 ALL | 2012 PIAAC |
---|---|---|---|
1930–1938 | 56–64 years old | – | – |
1939–1947 | 47–55 years old | 56–64 years old | – |
1948–1956 | 38–46 years old | 47–55 years old | 56–64 years old |
1957–1965 | 29–37 years old | 38–46 years old | 47–55 years old |
1966–1974 | 20–28 years old | 29–37 years old | 38–46 years old |
1975–1983 | 16–19 years old | 20–28 years old | 29–37 years old |
1984–1992 | – | 16–19 years old | 20–28 years old |
1993+ | – | – | 16–19 years old |