title: Development and psychometric properties of an informant assessment scale of theory of mind for adults with traumatic brain injury.
abstract: Impairment of theory of mind (ToM) is a common phenomenon following traumatic brain injury (TBI) that has clear effects on patients' social functioning. A growing body of research has focused on this area, and several methods have been developed to assess ToM deficiency. Although an informant assessment scale would be useful for examining individuals with TBI, very few studies have adopted this approach. The purpose of the present study was to develop an informant assessment scale of ToM for adults with traumatic brain injury (IASToM-aTBI) and to test its reliability and validity with 196 adults with TBI and 80 normal adults. A 44-item scale was developed following a literature review, interviews with patient informants, consultations with experts, item analysis, and exploratory factor analysis (EFA). The following three common factors were extracted: social interaction, understanding of beliefs, and understanding of emotions. The psychometric analyses indicate that the scale has good internal consistency reliability, split-half reliability, test-retest reliability, inter-rater reliability, structural validity, discriminate validity and criterion validity. These results provide preliminary evidence that supports the reliability and validity of the IASToM-aTBI as a ToM assessment tool for adults with TBI.
authors: a Shanghai Key Laboratory of Forensic Medicine , Institute of Forensic Science, Ministry of Justice , Shanghai , PR. China.|b Forensic Identification Center , Shaoxing University , Shaoxing , PR. China.
authors: Dengke
authors: D
authors: Zhang
authors: c Nursing Department , Taizhou University , Taizhou , PR. China.
authors: Yanxia
authors: Y
authors: Pang
authors: a Shanghai Key Laboratory of Forensic Medicine , Institute of Forensic Science, Ministry of Justice , Shanghai , PR. China.
authors: Weixiong
authors: W
authors: Cai
authors: d Neuropsychology Service , Carter Psychology Center , Bradenton , Florida , USA.
authors: Rachel L
authors: RL
authors: Fazio
authors: b Forensic Identification Center , Shaoxing University , Shaoxing , PR. China.
authors: Jianrong
authors: J
authors: Ge
authors: b Forensic Identification Center , Shaoxing University , Shaoxing , PR. China.
authors: Qiaorong
authors: Q
authors: Su
authors: b Forensic Identification Center , Shaoxing University , Shaoxing , PR. China.
authors: Shuiqin
authors: S
authors: Xu
authors: b Forensic Identification Center , Shaoxing University , Shaoxing , PR. China.
authors: Yinan
authors: Y
authors: Pan
authors: b Forensic Identification Center , Shaoxing University , Shaoxing , PR. China.
authors: Sanmei
authors: S
authors: Chen
authors: b Forensic Identification Center , Shaoxing University , Shaoxing , PR. China.
authors: Hongwei
authors: H
authors: Zhang
mesh_terms: D000293:Adolescent; D000328:Adult; D000070642:Brain Injuries, Traumatic / Q000523:psychology*; D017028:Caregivers; D016022:Case-Control Studies; D005163:Factor Analysis, Statistical; D005190:Family; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D019727:Proxy; D011594:Psychometrics; D015203:Reproducibility of Results; D056345:Theory of Mind; D055815:Young Adult
keywords: Informant assessment scale; Reliability; Theory of mind; Traumatic brain injury; Validity