The study presented measures the awakening effectiveness of a number of commercially available emergency alerting devices. Three groups of varying hearing levels were tested: hearing able, hard of hearing, and deaf. The devices evaluated are a typical audible smoke detector, a strobe light, and a bed shaker…
Author: Ashley, Erin Mack
Source: University of Maryland
Download Link: Click Here To Download This Report (PDF)
Reference URL 1: Visit Now
Reference URL 2: Visit Now
Contents
INTRODUCTION
Goals
Limitations
Outline
BACKGROUND
Introduction
Risk Groups
Emergency Notification Devices
Typical audible smoke detector
Low Frequency Alarm
Strobe
Tactile Devices
Human Behavior
Sleep Stage
Literature Search
Audible Alarm Appliances
Visual Alarm Appliances
Tactile Devices
PROCEDURE
Introduction
Subjects
Human Subject Testing
Emergency Alerting Devices
Test Procedure
Statistical Models
Summary
Introduction
Limitations
Ethnicity Gender and Age
Individual Device Results
Pillow Shaker
Typical audible smoke detector
Strobe
Continuous Bed Shaker
Intermittent Bed Shaker
Low Frequency Audible Detector
Time to Awaken
Audible Smoke Detector
Strobe
Continuous Bed Shaker
Sleep Stage
Sleep stage and device
Sleep stage and hearing level
Error Assessment
Weighted Average
DISCUSSION
Introduction
Statistical Significance
Demographics
Gender92
Race
Age
Strobe Results
Waking Order
Results
CONCLUSIONS
Introduction
General Conclusions
Further Research
REFERENCES