PMID- 21181602
OWN - NLM
STAT- MEDLINE
DCOM- 20110429
LR  - 20191210
IS  - 1464-0694 (Electronic)
IS  - 0960-2011 (Linking)
VI  - 21
IP  - 1
DP  - 2011 Jan
TI  - Dimensions of the Dysexecutive Questionnaire (DEX) examined using Rasch analysis.
PG  - 1-25
LID - 10.1080/09602011.2010.531216 [doi]
AB  - Executive dysfunction is very broad term used to capture a range of interacting 
      high-level cognitive, emotional and behavioural difficulties, commonly seen after 
      acquired brain injury (ABI). Many argue that the concept of executive functioning 
      should be subdivided into several separate dimensions. In this study we explore 
      the dimensional structure of a tool designed to assess level of executive 
      functioning, the Dysexecutive (DEX) Questionnaire (Burgess, Alderman, Wilson, 
      Evans, & Emslie, 1996), in order to inform theoretical conceptualisations of 
      executive functioning and improve measurement precision in rehabilitation 
      centres. Rasch analysis was undertaken on the responses of 363 people with ABI to 
      the DEX. Overall, the questionnaire did not perform as a unidimensional, 
      interval-level scale of executive functioning, suggesting that it measures more 
      than one psychological construct. Most subscales previously proposed using factor 
      analysis, including those suggested in the DEX manual, did not perform as 
      unidimensional interval-level scales either. Several new subscales in keeping 
      with theoretical conceptualisations of the different dimensions of executive 
      functioning are proposed, alongside suggestions for revision of the wording and 
      scoring of some of the items in the DEX. These results provide a platform for 
      future evaluation of executive function rehabilitation programmes.
FAU - Simblett, Sara K
AU  - Simblett SK
AD  - National Institute for Health Research (NIHR) Collaborations for Leadership in 
      Applied Health Research and Care (CLAHRC) for Cambridgeshire and Peterborough, 
      UK. ss879@medschl.cam.ac.uk
FAU - Bateman, Andrew
AU  - Bateman A
LA  - eng
PT  - Journal Article
PT  - Research Support, Non-U.S. Gov't
PT  - Validation Study
PL  - England
TA  - Neuropsychol Rehabil
JT  - Neuropsychological rehabilitation
JID - 9112672
SB  - IM
MH  - Adolescent
MH  - Adult
MH  - Aged
MH  - Brain Injuries/complications/*diagnosis
MH  - Cognition Disorders/complications/*diagnosis
MH  - *Disability Evaluation
MH  - *Executive Function
MH  - Female
MH  - Humans
MH  - Male
MH  - Middle Aged
MH  - Models, Psychological
MH  - Neuropsychological Tests
MH  - *Severity of Illness Index
MH  - Surveys and Questionnaires
EDAT- 2010/12/25 06:00
MHDA- 2011/04/30 06:00
CRDT- 2010/12/25 06:00
PHST- 2010/12/25 06:00 [entrez]
PHST- 2010/12/25 06:00 [pubmed]
PHST- 2011/04/30 06:00 [medline]
AID - 931444558 [pii]
AID - 10.1080/09602011.2010.531216 [doi]
PST - ppublish
SO  - Neuropsychol Rehabil. 2011 Jan;21(1):1-25. doi: 10.1080/09602011.2010.531216.