We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleWithin-person variation in security of attachment: A self-determination theory perspective on attachment, need fulfillment, and well-being.AuthorsLa Guardia, Jennifer G.; Ryan, Richard M.; Couchman, Charles E.; Deci, Edward L.PublicationJournal of Personality and Social Psychology, 2000, Vol 79, Issue 3, p367ISSN0022-3514DOI10.1037/0022-3514.79.3.367