Related Experiment Video
Updated: Jun 2, 2026
10:39
Qualitative and Quantitative Validation of Tools with Rating Scales Aimed at Assessing the Quality of University Service-Learning
Published on: August 29, 2025
Development and initial validation of the treatment barrier index scale: a content validity study
Patricia Lingley-Pottie1, Patrick J McGrath
1IWK Health Centre, Halifax, Nova Scotia, Canada. patricia.pottie@iwk.nshealth.ca
ANS. Advances in Nursing Science
|May 17, 2011
Summary
Researchers developed the Treatment Barrier Index (TBI) to understand patient perspectives on mental health care delivery. This new scale helps identify barriers, aiming to improve access to evidence-based treatments through better system design.
Area of Science:
- Mental Health
- Health Services Research
- Psychological Interventions
Background:
- Distance delivery systems are expanding mental health care access.
- Limited research exists on participant-perceived differences between distance and in-person mental health interventions.
- Understanding these differences is crucial for optimizing mental health service delivery.
Purpose of the Study:
- To develop and validate a scale measuring barriers to mental health treatment.
- To assess the content validity of the Treatment Barrier Index (TBI).
- To prepare for examining differences in participant experiences across various mental health care delivery systems.
Main Methods:
- Scale development process for the Treatment Barrier Index (TBI).
- Content validity study of the TBI scale.
- Calculation of the Content Validity Index (CVI).
Main Results:
- The Treatment Barrier Index (TBI) demonstrated acceptable content validity.
- The Content Validity Index (CVI) for the TBI was 0.96.
- The TBI is suitable for further use in examining delivery system differences.
Conclusions:
- The TBI scale is a valid instrument for assessing treatment barriers from a participant's perspective.
- Findings support the use of the TBI to differentiate between mental health care delivery systems.
- Validated measures like the TBI can inform the design of systems that better meet patient needs and enhance access to care.
Related Concept Videos
01:03Data Validation
Data validation is an essential part of a comprehensive assessment. Validation is confirming or verifying and opening the door to gathering more assessment data as it clarifies vague or unclear data. The process of checking and verifying the collected information is called data validation. The primary purpose of data validation is to ensure data is as free from error, bias, and misinterpretation as possible.
Nursing assessment guides are generally based on holistic models rather than medical...
Nursing assessment guides are generally based on holistic models rather than medical...
01:21Barriers to Effective Communication II
The barriers to effective communication also include cultural barriers, semantic barriers, gender barriers, and time constraints.
Cultural barriers:
Differences in values, beliefs, religion, knowledge, and tradition can significantly impact communication. Awareness of nonverbal cues is critical, especially when conversing with a patient from a different culture. What appears appropriate in one culture may be inappropriate in another.
Semantic barriers:
As a result of their tendency to use...
Cultural barriers:
Differences in values, beliefs, religion, knowledge, and tradition can significantly impact communication. Awareness of nonverbal cues is critical, especially when conversing with a patient from a different culture. What appears appropriate in one culture may be inappropriate in another.
Semantic barriers:
As a result of their tendency to use...
01:30Barriers to Effective Communication I
A communication barrier is any distortion or interruption during a conversation, resulting in miscommunication of the message. A good communicator should know these barriers and continuously check for the listener's understanding by obtaining feedback.
Communication barriers include the following:
Physiological barriers: They are limitations caused by a person's health condition or disability, such as hearing loss, poor eyesight, illness, or unconsciousness. An example to overcome this barrier...
Communication barriers include the following:
Physiological barriers: They are limitations caused by a person's health condition or disability, such as hearing loss, poor eyesight, illness, or unconsciousness. An example to overcome this barrier...
01:25Physiological Barriers
Physiological barriers are semi-permeable cellular structures restricting drug diffusion into intracellular compartments and tissues. There are six types of physiological barriers: blood endothelial, cell membrane, blood-brain, blood-cerebrospinal fluid (CSF), blood-placenta, and blood-testis barriers.
The blood endothelial barrier is the most porous of these. It allows all small ionized, un-ionized, and lipophilic molecules to pass through the endothelial lining into the interstitial space...
The blood endothelial barrier is the most porous of these. It allows all small ionized, un-ionized, and lipophilic molecules to pass through the endothelial lining into the interstitial space...