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oai:figshare.com:article/32641743 2026-10-01T16:20:54Z portal_1172 item_type_8 month_year_10_2026

An exploration of relationships between infant temperament, facial expression and pacifier use Jodie McGoldrick (24170214) PUREID: 656123364 Pacifier use Pacifiers clinical psychology Emotions Emotional expression facial expression Temperament parenting This thesis investigated how pacifier use relates to infant temperament and facial emotional expressivity, using two UK-based secondary datasets. In a large parent survey (N = 428), current pacifier use was linked to lower negative emotionality, and longer use to higher positive affectivity/surgency. In a smaller study with observational data (N = 64), longer use was associated with higher Orienting/Regulatory Capacity, and infants showed reduced facial expressivity when using a pacifier. No links emerged between observed expressivity and parent-reported temperament. Overall, findings suggest pacifiers may act as early regulatory tools, influencing both emotional tendencies and outward expression. 2026-10-01T16:20:54Z Text Thesis 10.17034/32641743.v1 https://figshare.com/articles/thesis/An_exploration_of_relationships_between_infant_temperament_facial_expression_and_pacifier_use/32641743 All Rights Reserved