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Barbosa, Miguel; Beeghly, Marjorie; Moreira, João; Tronick, Edward; Fuertes, Marina – Developmental Psychology, 2018
This study examined the stability of three patterns of infant regulatory behavior identified in the face-to-face still-face (FFSF) paradigm at 3 and 9 months--social-positive oriented, distressed-inconsolable, and self-comfort oriented--and whether variations in infants' heart-rate were correlated with them. Although some studies have examined the…
Descriptors: Infants, Infant Behavior, Behavior Patterns, Age Differences