Related Experiment Video
Updated: Feb 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
1.2K
Assessing the Reliability of the CAMS Rating Scale Using a Generalizability Study
Christopher D Corona1,2, Peter M Gutierrez3,4, Barry M Wagner5
11 VISN 2 Center of Excellence for Suicide Prevention, Canandaigua VA Medical Center, Canandaigua, NY, USA.
Crisis
|November 27, 2018
Summary
The CAMS Rating Scale (CRS) reliably distinguishes between Collaborative Assessment and Management of Suicidality (CAMS) and Enhanced Care-As-Usual (E-CAU) interventions. This measure demonstrates high inter-rater reliability, minimizing measurement error in clinical trials.
Area of Science:
- Clinical Psychology
- Psychiatric Research
- Health Services Research
Background:
- Ensuring treatment differentiation is crucial in randomized controlled trials.
- Direct observation and clinician performance measures aid in verifying distinct interventions.
- The CAMS Rating Scale (CRS) is a tool for assessing the delivery of Collaborative Assessment and Management of Suicidality (CAMS).
Purpose of the Study:
- To evaluate the reliability of the CAMS Rating Scale (CRS).
- To assess the CRS's ability to differentiate between CAMS and Enhanced Care-As-Usual (E-CAU) interventions.
- To determine the generalizability of the CRS in measuring treatment fidelity.
Main Methods:
- Digitally recorded clinical sessions (N=36) were coded using the CRS.
- Sessions involved four clinicians, four time points, and 34 patients across two treatment groups (CAMS and E-CAU).
- Two raters coded each session, and a G coefficient was calculated to assess reliability.
Main Results:
- The CRS demonstrated high inter-rater reliability.
- The scale reliably differentiated between CAMS and E-CAU interventions.
- Measurement error was minimized relative to expected variance sources.
Conclusions:
- The CAMS Rating Scale (CRS) is a reliable measure for treatment differentiation.
- The CRS can be integral in studies evaluating the Collaborative Assessment and Management of Suicidality (CAMS).
- Further research should address limitations such as rater blinding and formal training protocols.
Related Concept Videos
01:27C4 Pathway and CAM
49.2K
Most plants use the C3 pathway for carbon fixation. However, some plants, such as sugar cane, corn, and cacti that grow in hot conditions, use alternative pathways to fix carbon and conserve energy loss due to photorespiration. Photorespiration is the process that occurs when the oxygen concentration is high. Under such conditions, the rubisco enzyme in the Calvin cycle binds O2 instead of CO2, which halts photosynthesis and consumes energy.
C4 Pathway
The C4 pathway is used by plants such as...
C4 Pathway
The C4 pathway is used by plants such as...
49.2K
01:29Reliability and Validity
13.9K
Reliability and validity are two important considerations that must be made with any type of data collection. Reliability refers to the ability to consistently produce a given result. In the context of psychological research, this would mean that any instruments or tools used to collect data do so in consistent, reproducible ways.
13.9K
01:20Assessment of Ventilation I: Respiratory Rate
2.2K
Assessment of Ventilation
A Ventilation assessment is critical for monitoring a patient's health status. Respiration, one of the most accessible vital signs, provides insights into the function of numerous body systems and can indicate serious health issues, such as brainstem injuries from head trauma.
Critical Guidelines for Assessing Ventilation:
A Ventilation assessment is critical for monitoring a patient's health status. Respiration, one of the most accessible vital signs, provides insights into the function of numerous body systems and can indicate serious health issues, such as brainstem injuries from head trauma.
Critical Guidelines for Assessing Ventilation:
2.2K
02:41pH Scale
79.7K
Hydronium and hydroxide ions are present both in pure water and in all aqueous solutions, and their concentrations are inversely proportional as determined by the ion product of water (Kw). The concentrations of these ions in a solution are often critical determinants of the solution’s properties and the chemical behaviors of its other solutes. Two different solutions can differ in their hydronium or hydroxide ion concentrations by a million, billion, or even trillion times. A common means of...
79.7K
02:53Reaction Rate
63.2K
The rate of reaction is the change in the amount of a reactant or product per unit time. Reaction rates are therefore determined by measuring the time dependence of some property that can be related to reactant or product amounts. Rates of reactions that consume or produce gaseous substances, for example, are conveniently determined by measuring changes in volume or pressure.
The mathematical representation of the change in the concentration of reactants and products, over time, is the rate...
The mathematical representation of the change in the concentration of reactants and products, over time, is the rate...
63.2K
01:25Distribution Reliability and Automation
514
Distribution reliability in electrical power systems is critical for ensuring an uninterrupted power supply to consumers at minimal cost. According to IEEE Standard Terms, reliability is the probability that a device will function without failure over a specified time period or amount of usage. For electric power distribution, this translates to maintaining continuous power supply and addressing customer concerns over power outages. Several indices, as defined by IEEE Standard 1366-2012, are...
514