A Prospective Chart Review to Validate the WFIRS (Weiss Functional Impairment Rating Scale)

Psychometric Validation of the Weiss Functional Impairment Rating Scale and the Weiss Symptom Record in Patients With Attention-Deficit Hyperactivity Disorder

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT00885807

Enrollment

220

Registered

2009-04-22

Start date

2006-07-31

Completion date

2011-04-30

Last updated

2011-06-20

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Attention-Deficit/Hyperactivity Disorder

Keywords

ADHD, WFIRS, WSR

Brief summary

The purpose of the study is to evaluate the psychometric validation of the Weiss Functional Impairment Rating Scale and the Weiss Symptom Record. It is hypothesized that the Weiss Functional Impairment Rating Scale has strong psychometric properties and good convergent validity with other measures of functioning and discriminant validity from symptoms and quality of life.

Detailed description

The measures for this rating scale were developed at the request of the Canadian Attention Deficit Disorder Resource Alliance to provide clinician friendly tools free of charge as a way of improving screening for ADHD and comorbidity. Patients are consented during clinic visits and agree to allow use of clinic data for the purpose of this research. They complete additional measure(s) for the purpose of the study. The data is then entered. Internal consistency will be measured using Cronbach's alpha. Convergent, concurrent and discriminant validity will be measured using Pearson correlations. Domain reliability is determined with factor analysis. Up to 220 patients will be enrolled in the study.

Interventions

None listed

Study design

Observational model

CASE_ONLY

Time perspective

CROSS_SECTIONAL

Eligibility

Sex/Gender

ALL

Age

7 Years to No maximum

Healthy volunteers

Yes

Inclusion criteria

* Compliance to complete the WFIRS is key to inclusion.

Countries

Canada

Outcome results