O'Connor DB, Warttig S, Conner M, Lawton R. Raising awareness of hypertension risk through a web-based framing intervention: does consideration of future consequences make a difference? Psychol Health Med. 2009 Mar;14(2):213-9. doi: 10.1080/13548500802291618
Julvez J, Forns M, Ribas-Fito N, Mazon C, Torrent M, Garcia-Esteban R, Ellison-Loschmann L, Sunyer J. Psychometric characteristics of the California Preschool Social Competence Scale in a spanish population sample. Early Educ Dev. 2008;19(5):795-815.