Related Experiment Video
Updated: May 16, 2026

Assessment of Audio-Tactile Sensory Substitution Training in Participants with Profound Deafness Using the Event-Related Potential Technique
Published on: September 7, 2022
TelEMA: a low-cost and user-friendly telephone assessment platform
Katya C Fernandez1, Matthew R Johnson, Thomas L Rodebaugh
1Department of Psychology, Washington University in St. Louis, 1 Brookings Drive, Campus Box 1125, St. Louis, MO, 63130, USA, fernandez@wustl.edu.
Ecological momentary assessment (EMA) is enhanced by TelEMA, a low-cost telephone platform. This system allows for convenient, secure, and automated data collection, proving practical for psychological research.
Area of Science:
- Psychological Science
- Behavioral Science
- Health Informatics
Background:
- Ecological momentary assessment (EMA) offers methodological advantages for studying psychological constructs.
- Technological advancements enable more convenient, automated, and secure EMA through telephone-based surveys.
- Existing EMA methods often require specialized equipment or technical expertise.
Purpose of the Study:
- Introduce TelEMA, a novel, user-friendly, and cost-effective telephone assessment platform.
- Demonstrate TelEMA's capability for clinical and research applications.
- Evaluate the feasibility, usability, and compliance of the TelEMA system.
Main Methods:
- TelEMA utilizes a shared server architecture for simultaneous use by multiple researchers and participants.
- The platform integrates with a third-party service for call and text routing, minimizing upfront costs and technical requirements.
- A pilot study involved participants completing randomized, timed surveys on affect and social anxiety via their own telephones.
Main Results:
- Participants reported TelEMA as easy to use and secure.
- Compliance rates in the pilot study were comparable to existing mobile-based EMA methods.
- The system facilitated secure data collection and management through a web interface.
Conclusions:
- TelEMA provides a practical and robust solution for deploying ecological momentary assessments.
- The platform enables fast, inexpensive, and accessible EMA research and clinical applications.
- TelEMA overcomes technical barriers, making advanced psychological data collection more widely available.
More Related Videos
Related Concept Videos
Pulse Assessment Sites
Assessing Body Temperature - Oral
Step 1:
Start by practicing proper hand hygiene to prevent the spread of microorganisms.
Step 2:
Take the thermometer out of the charging unit, switch it on, and wait for the ready sign.
Step 3:
Gently slide the probe cover until a click is heard. This simple action prevents cross-contamination and ensures the correct placement of the probe cover.
Step 4:
Instruct the patient to open their mouth and place...
Assessing Body Temperature - Tympanic membrane
Step 1: Begin by practicing good hand hygiene to prevent the transmission of microorganisms.
Step 2: Turn on the thermometer and wait until the ready sign appears on the screen to ensure accurate measurement.
Step 3: Slide the probe cover in place to prevent cross-contamination.
Step 4: Instruct the patient to tilt their head to the side for comfort and check for cerumen...
Assessment of apical pulse
Assessing the apical pulse is a critical nursing procedure, particularly indicated for:
Design Example
Assessing Blood pressure using a doppler ultrasound
Pre-Procedural Guidelines for Doppler Ultrasound Blood Pressure Assessment:
Preparation of Equipment:

