The Emotion Regulation Checklist (ERC) is an instrument for the hetero-evaluation of the level of emotion regulation of children by means of two scales, Emotion Regulation (ER) and Emotional Lability/ Negativity (L/N). ER assesses the expression of emotions, empathy, and emotional self-awareness, while L/N assesses the lack of fl exibility, anger dysregulation, and mood lability. The aim of this study is to perform the translation and cross-cultural adaptation of the ERC and investigate evidence of the validity of its Brazilian version. Two studies are conducted: Study I-Translation and cross-cultural adaptation of ERC for use in Brazil; and Study II-Investigation of evidence of the validity of the ERC. The sample includes 561 informants (parents and teachers) of children aged 3-12 years old. The exploratory factor analysis (EFA) assumptions are adequate, and the two-factor solution (ER and L/N) is shown to be the most adequate, explaining 57% of the variance (L/N α = .77 and ER α = .73). Subscale L/N is positively correlated with measurements of behavioral problems, while subscale ER is positively correlated with measurements of social skills. The present study provides the fi rst evidence of the validity of the ERC for use in the Brazilian context.

ResumoO Emotion Regulation Checklist (ERC) é um instrumento de heterorrelato que se propõe avaliar o nível de regulação emocional de crianças por meio de duas subescalas, a saber, Regulação Emocional (RE) e Labilidade/Negatividade Emocional (L/N). A RE estima a expressão das emoções, empatia e autoconsciência emocional e a L/N avalia falta de fl exibilidade, desregulação de raiva e labilidade do humor. Objetivou-se traduzir, adaptar e investigar evidências de validade da versão brasileira do ERC. Conduziram-se dois estudos: Estudo I: Tradução e Adaptação do ERC para a cultura brasileira; Estudo II: Investigação de evidências de validade do ERC. Participaram da pesquisa 561 informantes (pais e professoras) de crianças com idades de 3 a 12 anos. Os pressupostos para análise fatorial exploratória foram adequados e a solução bifatorial (RE e L/N) foi a indicada explicando 57% da variância (L/N α = 0,77 e RE α = 0,73). A subescala L/N apresentou correlações positivas com medidas de comportamentos problemáticos e a subescala RE apresentou correlações positivas com medidas de habilidades sociais. Os resultados suportaram primeiras evidências de validade do ERC para a cultura brasileira.Palavras-chave: Adaptação, Emotion Regulation Checklist, validação. Emotion Regulation Checklist (ERC): Preliminary Studies of Cross-Cultural Adaptation and Validation for Use in Brazil AbstractThe Emotion Regulation Checklist (ERC) is an instrument for the hetero-evaluation of the level of emotion regulation of children by means of two scales, Emotion Regulation (ER) and Emotional Lability/

The University of São Paulo Twin Panel (Painel USP de Gêmeos), based at the Institute of Psychology of the University of São Paulo, started formally in 2017. Our registry is new, but in only two years of formal existence, it comprises a volunteer sample of 4826 registered individuals (98% twins and 2% higher-order multiples), recruited at the University of São Paulo and by social media campaigns. Our main aim is to conduct and promote research with twins on psychological processes and behavior. The University of São Paulo is the largest higher education and research institution in South America, and the Painel USP de Gêmeos has great potential for fostering research on twin-related issues from a psychological perspective in Brazil and South America.

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