Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleSecular change in the relative influence of G, E1, and E2 on cognitive abilities.AuthorsJohnson, Ronald C.; Nagoshi, Craig T.PublicationBehavioral & Brain Sciences, 1987, Vol 10, Issue 1, p27ISSN0140-525XPublication typeArticleDOI10.1017/S0140525X00056089