PMID- 25517980
OWN - NLM
STAT- MEDLINE
DCOM- 20160607
LR  - 20150905
IS  - 1464-0694 (Electronic)
IS  - 0960-2011 (Linking)
VI  - 25
IP  - 6
DP  - 2015
TI  - Dysexecutive Questionnaire (DEX): Unrestricted structural analysis in large 
      clinical and non-clinical samples.
PG  - 879-94
LID - 10.1080/09602011.2014.993659 [doi]
AB  - The factorial structure of the Dysexecutive Questionnaire (DEX) is an unresolved 
      issue in scientific literature. One-to-five-factor solutions have been found in 
      several studies by applying different research methods. Only a few of these 
      studies used appropriate analysis procedures to suit a Likert scale-type of 
      answer or investigated large enough samples to ensure the stability of factorial 
      solutions. The present study examines a sample of 2151 subjects, 1482 from the 
      general population and 669 from a clinical population. An unrestricted factorial 
      analysis was carried out on both samples. The results unequivocally point to a 
      single-factor solution in both samples. This means that only one latent variable 
      is displayed in the DEX, which accounts for symptoms of oversight malfunction in 
      activities of daily living. It is concluded that the diversity of results 
      previously obtained in other studies may be due to using research methods that 
      depict Likert-type scales on a continuum when they are actually ordinal 
      categorical measures. In conclusion, the DEX should be considered a screening 
      test that reports symptoms of prefrontal malfunction, although it is unable to 
      specify what areas or functions have been affected, as previous studies have 
      claimed.
FAU - Pedrero-Perez, Eduardo J
AU  - Pedrero-Perez EJ
AD  - a Instituto de Adicciones , Madrid Salud , Spain.
FAU - Ruiz-Sanchez-de-Leon, Jose M
AU  - Ruiz-Sanchez-de-Leon JM
FAU - Winpenny-Tejedor, Carmen
AU  - Winpenny-Tejedor C
LA  - eng
PT  - Journal Article
DEP - 20141217
PL  - England
TA  - Neuropsychol Rehabil
JT  - Neuropsychological rehabilitation
JID - 9112672
SB  - IM
MH  - *Activities of Daily Living
MH  - Adult
MH  - Executive Function
MH  - Female
MH  - Humans
MH  - Male
MH  - Neuropsychological Tests/statistics & numerical data
MH  - *Psychiatric Status Rating Scales/statistics & numerical data
MH  - Psychometrics
MH  - Reproducibility of Results
MH  - Substance-Related Disorders/*diagnosis/*psychology
MH  - *Surveys and Questionnaires
OTO - NOTNLM
OT  - Activities of daily living
OT  - Assessment
OT  - Construct validity
OT  - Executive dysfunction
OT  - Parallel analysis
OT  - Prefrontal cortex
EDAT- 2014/12/18 06:00
MHDA- 2016/06/09 06:00
CRDT- 2014/12/18 06:00
PHST- 2014/12/18 06:00 [entrez]
PHST- 2014/12/18 06:00 [pubmed]
PHST- 2016/06/09 06:00 [medline]
AID - 10.1080/09602011.2014.993659 [doi]
PST - ppublish
SO  - Neuropsychol Rehabil. 2015;25(6):879-94. doi: 10.1080/09602011.2014.993659. Epub 
      2014 Dec 17.