Related Experiment Video
Updated: Feb 15, 2026
10:32
Development of a Virtual Reality Assessment of Everyday Living Skills
Published on: April 23, 2014
19.4K
The Radboud Dysarthria Assessment: Development and Clinimetric Evaluation
Simone Knuijt1, Johanna G Kalf1, Baziel G M van Engelen2
1Department of Rehabilitation, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, the Netherlands.
Summary
The Radboud Dysarthria Assessment (RDA) is a new, valid, and reliable tool for evaluating dysarthria in the Netherlands. It aids in assessing speech components and patient-reported impact, though further research is needed for diagnostic support.
Area of Science:
- Speech-Language Pathology
- Clinical Linguistics
- Neurogenic Communication Disorders
Background:
- The Netherlands lacks a comprehensive dysarthria assessment tool.
- Development of a standardized assessment is crucial for accurate diagnosis and treatment.
Purpose of the Study:
- To develop and evaluate the clinimetric properties of the Radboud Dysarthria Assessment (RDA).
- To provide a reliable and valid instrument for dysarthria evaluation in the Dutch context.
Main Methods:
- The Radboud Dysarthria Assessment (RDA) was developed and administered to 43 patients.
- Exploratory factor analysis, internal consistency, and reliability (intra-/inter-rater) were assessed.
- Construct validity was evaluated against the Speech Handicap Index (SHI) and Dutch sentence intelligibility assessment (NSVO-Z).
Main Results:
- Factor analysis identified 4 factors (articulation, resonance, phonation, respiration/prosody) with 70.3% explained variance.
- The RDA demonstrated good to excellent internal consistency (Cronbach's α: 0.89-0.91) and reliability (ICC: 0.85-0.86).
- Significant correlations were found between RDA scores and SHI/NSVO-Z, supporting its validity.
Conclusions:
- The Radboud Dysarthria Assessment (RDA) is a valid and reliable tool for dysarthria evaluation.
- Further research is required to confirm its utility in supporting speech-language therapists for precise dysarthria diagnosis.
Related Concept Videos
01:43Sustainable Development
15.2K
As the human population continues to grow and use resources, we must be mindful of our planet’s natural limits. Sustainable development provides a pathway to maintain and improve human life now while also ensuring that future generations will have the resources that they need. The long-term success of sustainability efforts rests on understanding the interplay between human actions and ecological systems.
15.2K
03:00Self-Evaluation: Self-Enhancement and Self-Verification
5.8K
Social psychologists have documented that feeling good about ourselves and maintaining positive self-esteem is a powerful motivator of human behavior (Tavris & Aronson, 2008). In the United States, members of the predominant culture typically think very highly of themselves and view themselves as good people who are above average on many desirable traits (Ehrlinger, Gilovich, & Ross, 2005). Often, our behavior, attitudes, and beliefs are affected when we experience a threat to our...
5.8K
01:22Language Development
941
Children master language quickly and with relative ease, supported by both biological predisposition and reinforcement. B. F. Skinner (1957) proposed that language is learned through reinforcement, while Noam Chomsky (1965) argued that language acquisition mechanisms are biologically determined.
The critical period for language acquisition suggests that the ability to acquire language is at its peak early in life. As people age, this proficiency decreases. Language development begins very...
The critical period for language acquisition suggests that the ability to acquire language is at its peak early in life. As people age, this proficiency decreases. Language development begins very...
941
01:15Development of the Lymphatic System
2.2K
The development of lymphatic tissues and vessels in embryonic life begins around the fifth week. These structures originate from the mesoderm layer, with lymph sacs emerging from developing veins.
The first lymph sacs to form are the paired jugular lymph sacs located at the junction of the internal jugular and subclavian veins. From these sacs, lymphatic capillary plexuses extend to the thorax, upper limbs, neck, and head, eventually forming lymphatic vessels. Each jugular lymph sac maintains a...
The first lymph sacs to form are the paired jugular lymph sacs located at the junction of the internal jugular and subclavian veins. From these sacs, lymphatic capillary plexuses extend to the thorax, upper limbs, neck, and head, eventually forming lymphatic vessels. Each jugular lymph sac maintains a...
2.2K
01:22Development of Immunocompetence
1000
The initiation of cell-mediated immunity can be observed as early as the third month of fetal growth, with active antibody-mediated immunity following approximately one month later.
The initial cells that migrate from the fetal thymus settle within the skin and epithelial tissues lining the mouth, digestive tract, and in females, the uterus and vagina. These cells, including skin-based dendritic cells, serve as antigen-presenting cells, playing a key role in T cell activation.
Subsequent T...
The initial cells that migrate from the fetal thymus settle within the skin and epithelial tissues lining the mouth, digestive tract, and in females, the uterus and vagina. These cells, including skin-based dendritic cells, serve as antigen-presenting cells, playing a key role in T cell activation.
Subsequent T...
1000
01:27Development of the Heart
2.7K
The development of the human heart, a crucial organ, commences from the mesoderm on the 18th or 19th day after fertilization. This process initiates in the cardiogenic area, a group of mesodermal cells at the embryo's head end, which evolves into elongated strands known as cardiogenic cords. These cords undergo a transformation to form hollow-centered endocardial tubes.
As the embryo undergoes lateral folding, these paired tubes approach each other, merging into a single primitive heart...
As the embryo undergoes lateral folding, these paired tubes approach each other, merging into a single primitive heart...
2.7K