Science is a matter of cumulative learning. Reply to the comment “Give day care a chance to be effective”. Journals of Gerontology: Psychological Science, 58B (3), 197-199.

Title	Science is a matter of cumulative learning. Reply to the comment “Give day care a chance to be effective”. Journals of Gerontology: Psychological Science, 58B (3), 197-199.
Publication Type	Journal Article
Authors	Schacke C, Zank S.