chapter  2
Methodology of the Joint Effort Toddler Temperament Consortium (JETTC)
BySamuel P. Putnam, Maria A. Gartstein, Sara Casalin, Carmen González-Salinas, Blanca Huitron, Sae-Young Han, Mirjana Majdandžić, Rosario Montirosso, Oana Benga, Ibrahim Acar, Maria Beatriz Martins Linhares, Katri Räikkönen, Zhengyan Wang, Felipe Lecannelier, Roseriet Beijers, Elena Kozlova
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Researchers in 14 countries recruited families of toddlers between the ages of roughly 18 and 36 months. These samples ranged from 48 to 119 participants, for a total N of 853. Primary caregivers completed the Early Childhood Behavior Questionnaire (ECBQ) regarding temperament; the Child Behavior Checklist (CBCL) regarding behavior problems; adaptations of Socialization Goals and Parental Ethnotheories questionnaires regarding parental beliefs; and new questionnaires concerning daily activities and parent responses to temperament displays. Cultural orientation scores were obtained from archival data.