An IERI – International Educational Research Institute Journal
From: Are large surveys of adult literacy skills as comparable over time as we think?
Variables | Native-born cohorts 1948–1974—full model 1994–2003–2012 | ||
---|---|---|---|
Age-cohort (AC) | Age-period (AP) | Period-cohort (PC) | |
β ln(literacy score) | |||
Age group | |||
25–34 years old (Ref. Cat.) | |||
16–24 years old | 0.026† [0.014] | 0.008 [0.015] | – |
35–44 years old | − 0.033** [0.011] | − 0.005 [0.010] | – |
45–54 years old | − 0.082*** [0.014] | − 0.024* [0.010] | – |
55–64 years old | − 0.122*** [0.019] | − 0.027* [0.012] | – |
Cohort (birth year) | |||
1966–1974 (Ref. Cat.) | |||
1948–1956 | 0.052** [0.015] | – | − 0.018* [0.007] |
1957–1965 | 0.020* [0.007] | – | − 0.014** [0.005] |
Period (survey year) | |||
2012 (Ref. Cat.) | |||
1994 | – | 0.069*** [0.014] | 0.088*** [0.010] |
2003 | – | 0.044*** [0.005] | 0.052*** [0.004] |
Constant | 5.731*** [0.010] | 5.680*** [0.012] | 5.670*** [0.008] |
Sample size (n) | 23,033 | 23,033 | 23,033 |
Adjusted R2 | 0.335 | 0.340 | 0.340 |