they may also capture the experiences of adult survey respondents providing guidance on the nature and prevalence of those respondents food needs in terms of measurement existing systems do not tap childrens perspectives on their own lives nor do they flow from a conceptualization of food insecurity that is grounded in childrens experiences their roles within households or the ways in which they make sense of their environments adult survey respondents tend to underreport child food insecurity missing as many as half of children who themselves report going hungry because there is not enough food in terms of delivery these systems rely on household samples which exclude children in institutional settings and homeless children and can substantially underrepresent them in highly vulnerable household situations migrant workers those living in urban slums distant rural households those living in refugee camps multifamily or extended family households