Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Functional forms of backward digit span tasks in the restricted-range PSID and the full ECLS-K:2011.
Note: 95% confidence intervals are in gray. Values shown are non-imputed. Time in the ECLS-K:2011 was coded as .5=wave 1, 1=wave 2, 1.5=wave 3, 2=wave 4, 3=wave 5, 4=wave 6, 5=wave 7, 6=wave 8, 7=wave 9; the x-axis displays the log of Time. Means depicted are raw, unadjusted means.
