Figure 1
From: Rasch analysis of the General Self-Efficacy Scale in a sample of persons with morbid obesity
Person-Item map for the 7-item version of the GSE. Legend: A person-item map of the GSE-7 items in a sample of people with morbid obesity (n = 141). Each item threshold is presented in the table, where there is a 50/50 chance of giving any of the stated scores. The mean (M) and standard deviation (SD) of the sample is presented, in relation to the item mean (set at 50 by default). Each "#" represents two persons and each "." represents one person.