As attachment researchers have become interested in studying attachment security at older ages, the Strange Situation as the “gold standard” of attachment assessment has remained central. Today researchers developing assessments of attachment for children or adolescents frequently (a) use the same fourfold classification system of the Strange Situation, (b) seek to validate their measures by showing that infants who are securely or insecurely attached in the Strange Situation obtain the same classification in the later attachment assessment, and/or (c) create research procedures that are intended to activate attachment in children in a manner comparable to how the Strange Situation does so for infants (see, for example, Cassidy & Marvin, 1992;
