loneliness_scales       Registry of verified loneliness scales
score_djg               Score a de Jong Gierveld loneliness scale (11-
                        or 6-item)
score_likert            Score a Likert-summed loneliness scale (UCLA
                        family)
score_loneliness        Score any registered loneliness scale
score_lsdq              Score the Children's Loneliness and Social
                        Dissatisfaction Scale
score_selsa_s           Score the short Social and Emotional Loneliness
                        Scale for Adults (SELSA-S)
