PMID- 17635974
OWN - NLM
STAT- MEDLINE
DCOM- 20080107
LR  - 20171114
IS  - 1468-330X (Electronic)
IS  - 0022-3050 (Linking)
VI  - 79
IP  - 1
DP  - 2008 Jan
TI  - Analysis of patient and proxy ratings on the Dysexecutive Questionnaire: an 
      application of Rasch analysis.
PG  - 86-8
AB  - BACKGROUND: We provide an alternate method of analysing self-report and 
      proxy-report data on subjective complaints of dysexecutive symptoms among a group 
      of patients with traumatic brain injury. OBJECTIVE: The purpose of this study was 
      to examine differences in the ratings of patients and proxies on a measure of the 
      dysexecutive syndrome and further explore the insight impairment problem in 
      patients with traumatic brain injury. METHODS: Rasch analysis was conducted on 
      the ratings of the Dysexecutive Questionnaire (DEX) by a sample of patients and 
      their proxies. RESULTS: While the average scores based on patient and proxy 
      ratings were approximately the same (mean patient raw score = 30.12 and mean 
      proxy raw score = 31.32), differential item functioning was found in five DEX 
      items. As a result, the relationship between measures obtained from patient and 
      proxy ratings was only in the moderate range (intraclass correlation = 0.46). 
      CONCLUSIONS: Identification of differential item functioning in five of the 20 
      DEX items reflected the different perspectives of patients and their proxies in 
      reporting the frequency of dysexecutive behaviour and suggests that these ratings 
      are not interchangeable.
FAU - Chan, R C K
AU  - Chan RC
AD  - Neuropsychology and Applied Cognitive Neuroscience Laboratory, Institute of 
      Psychology, Chinese Academy of Sciences, Beijing, China. rckchan@psych.ac.cn
FAU - Bode, R K
AU  - Bode RK
LA  - eng
PT  - Journal Article
PT  - Research Support, Non-U.S. Gov't
DEP - 20070717
PL  - England
TA  - J Neurol Neurosurg Psychiatry
JT  - Journal of neurology, neurosurgery, and psychiatry
JID - 2985191R
SB  - IM
CIN - J Neurol Neurosurg Psychiatry. 2008 Jan;79(1):3. PMID: 18079295
MH  - Adult
MH  - Brain Injuries/complications
MH  - Cognition Disorders/*diagnosis/*epidemiology/etiology
MH  - Data Interpretation, Statistical
MH  - Female
MH  - Humans
MH  - Male
MH  - Observer Variation
MH  - *Proxy
MH  - Severity of Illness Index
MH  - *Surveys and Questionnaires
EDAT- 2007/07/20 09:00
MHDA- 2008/01/08 09:00
CRDT- 2007/07/20 09:00
PHST- 2007/07/20 09:00 [pubmed]
PHST- 2008/01/08 09:00 [medline]
PHST- 2007/07/20 09:00 [entrez]
AID - jnnp.2007.117184 [pii]
AID - 10.1136/jnnp.2007.117184 [doi]
PST - ppublish
SO  - J Neurol Neurosurg Psychiatry. 2008 Jan;79(1):86-8. doi: 
      10.1136/jnnp.2007.117184. Epub 2007 Jul 17.