
-University of California Los Angeles Loneliness Scale (UCLA)
-The Rasch-Type Loneliness Scale (RTLS) or De Jong Gierveld Loneliness Scale (DJGLS)
–Loneliness and Aloneness Scale for Children and Adolescents (LACA)
– Children Loneliness Scale (CLS)
– Duke-UNC Functional Social Support Questionnaire