“…Other methods associated with high rates of parent response include repeated contact with parents through procedures such as mailing consent materials and reminder postcards, follow-up telephone calls, and face-to-face contact at school events. 2,6,16,19,20 In populations where English is a second language for a number of parents, key considerations include using materials written in parents' first languages 1,18 and involving staff who are experienced in working with non-English-speaking parents. 20 In addition to incentives for individuals, classroom incentives for reaching goals might encourage students to remind each other to return forms.…”