Fig. 1From: WHO Functioning and Disability Disaggregation (FDD11) tool: a reliable approach for disaggregating data by disabilityPerson Item Map of the Distribution of persons’ abilities, items’ locations (black circles) and items’ thresholds (white circles) on the latent continuum, based on the data from the implementation of the Model Disability Survey in Afghanistan; Adamawa, Cameroon; Chile; Costa Rica; India; Tajikistan; Laos; Balochistan, Pakistan; Philippines; Qatar; and Sri Lanka in the period 2014–2019Back to article page