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Examining the Item-Level Factor Structure of the Behavior Rating Inventory of Executive Function-Adult Version Within
Pey-Shan Wen1, J Kay Waid-Ebbs2, Shelley C Heaton3
1Department of Occupational Therapy, Byrdine F. Lewis College of Nursing and Health Professions, Georgia State University, Atlanta, GA.
Objective:
To conduct the first item-level exploration of scale and index structure of the self-report Behavior Rating Inventory of Executive Function-Adult version (BRIEF-A) in traumatic brain injury (TBI).
Design:
This was an observational cross-sectional study design using secondary data. We conducted exploratory factor analyses (EFA) to explore the index structure and scale structure of the BRIEF-A. We conducted EFA with all 70 items of the BRIEF-A to examine the index structure. Based on the finding of index structure, we conducted EFA on the 30 items of the Behavioral Regulation Index (BRI) and the 40 items of the Metacognitive Index (MI).
Setting:
Data were collected through 5 studies in outpatient and community settings in the southeast United States.
Participants:
Individuals (N=338) aged 18-89 years with a history of mild to severe TBI who were able to speak English fluently.
Interventions:
Not applicable.
Main Outcome Measures:
The BRIEF-A.
Results:
The 2-factor structure aligned with the BRIEF-A manual at the index level. Scale structure for the MI (40 items) resulted in 1 factor, whereas the BRI (30 items) could be represented by either a 2- or 3-factor structure. The 2-factor structure of the BRI is more parsimonious and matched other factor analyses derived from the sum of scale items.
Conclusions:
We confirmed the manual designated index structure (BRI and MI) of the BRIEF-A but took precautions against using the 9 scales. Instead, we recommend using the 2 designated index scores and 2 newly identified composite scores representing Behavioral Control Trait and Emotional Control Trait.
