Finally, the relatively small groups of parents in the study constitute another of its limitations. (journals.plos.org)
It is designed as a 12 - session program to be used with small groups of parents, and as a one - day seminar for large numbers of parents. (cebc4cw.org)
It was originally designed as a 15 - session program to be used with small groups of parents. (cebc4cw.org)