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Related Experiment Videos

The Awareness Questionnaire: factor structure and internal consistency

M Sherer1, P Bergloff, C Boake

  • 1Baylor College of Medicine, Houston, Texas, USA.

Brain Injury
|March 4, 1998
PubMed
Summary
This summary is machine-generated.

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Traumatic brain injury survivors often have impaired awareness of their deficits, impacting motivation and recovery. A new Awareness Questionnaire shows promise in measuring this crucial aspect of recovery.

Area of Science:

  • Neuroscience
  • Rehabilitation Psychology

Background:

  • Impaired awareness of deficits is common after traumatic brain injury (TBI).
  • This lack of self-awareness negatively affects treatment motivation and functional outcomes.
  • Existing methods for measuring impaired awareness are varied.

Purpose of the Study:

  • To review methods for operationalizing impaired awareness after TBI.
  • To introduce and validate a new, comprehensive Awareness Questionnaire.
  • To examine the factor structure and internal consistency of the Awareness Questionnaire.

Main Methods:

  • A review of existing awareness measurement techniques.
  • Development of the Awareness Questionnaire integrating multiple methods.
  • Factor analysis and internal consistency analysis (Cronbach's Alpha) on TBI survivors (n=126) and family members (n=75).

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Main Results:

  • Principal components factor analysis identified three factors: cognitive, behavioural/affective, and motor/sensory.
  • The Awareness Questionnaire demonstrated satisfactory internal consistency in both patient and family samples.
  • Previous findings supporting the questionnaire's validity were presented.

Conclusions:

  • The Awareness Questionnaire is a reliable tool for assessing impaired awareness in TBI.
  • The three-factor structure provides a nuanced understanding of awareness deficits.
  • Further investigation and use of the Awareness Questionnaire are supported.