In contemporary psychology there is debate over whether individual differences in psychological constructs are stable over extended periods of time. The authors argue that it is impossible to resolve such debates unless researchers focus on patterns of stability and the developmental mechanisms that may give rise to them. To facilitate this shift…

This study applied Meehl's taxometric techniques for distinguishing latent types from late continua to Strange Situation data on 1,139 fifteen-month-olds from the NICHD Study of Early Child Care. Results indicated that variation in attachment patterns was largely continuous, not categorical. Implications of dimensional models for individual…

Discusses four questions concerning commentaries on the taxometric analysis of Strange Situation behavior related to: (1) whether the categorical model of attachment facilitates theoretical and empirical innovations; (2) whether and how a continuum of security fits into the two-dimensional model; (3) the role of types and dimensions in…