1 Running Head: VARIABILITY OF ATTACHMENT APPRAISALS Bosmans, G., Van de Walle, M., Goossens, L., Ceulemans, E. (in press). (In)variability of Attachment in Middle Childhood: Secure Base Script Evidence in Diary Data. Behavior Change. (In)variability of Attachment in Middle Childhood: Secure Base Script Evidence in Diary Data Guy Bosmans 1 , Magali Van de Walle 1 , Lien Goossens², & Eva Ceulemans 1 1 KU Leuven, ² Ghent University [Address for correspondence] Correspondence concerning this paper should be addressed to Guy Bosmans, Parenting and Special Education Research Group, Leopold Vanderkelenstraat 32 bus 3765, 3000 LEUVEN, Belgium. E-mail: guy.bosmans@ppw.kuleuven.be. Tel. + 32 16 32 61 87. Fax. +32 16 32 59 33.