作者: Berna van Baarsen , Tom A. B. Snijders , Johannes H. Smit , Marijtje A. J. van Duijn
DOI: 10.1177/00131640121971103
关键词: Rasch model 、 Developmental psychology 、 Social psychology 、 Psychology 、 External validity 、 Psychometrics 、 Item response theory 、 Social isolation 、 Loneliness 、 Test validity 、 Emotional isolation
摘要: The unidimensional nature of the De Jong-Gierveld Loneliness Scale is investigated. internal properties scale scores were studied using item response theory, supplemented by an external validity study. In line with theory relational loneliness, results stress significance distinguishing between emotional loneliness and social loneliness.