SOLÍS SALAZAR, M. The dilemma of combining positive and negative items in scales. Psicothema, [S. l.], v. 27, n. Número 2, p. 192–200, 2015. Disponível em: https://reunido.uniovi.es/index.php/PST/article/view/10773. Acesso em: 19 may. 2024.