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Related Concept Videos

Design Example01:23

Design Example

The innovation of touch-tone telephony revolutionized the telecommunications industry by replacing the traditional rotary dial with a dual-tone multi-frequency (DTMF) signaling system. This system uses a matrix-style keypad with buttons arranged in four rows and three columns, creating 12 distinct signals each assigned to a pair of frequencies. Each button press results in a simultaneous generation of two sinusoidal tones – one from a low-frequency group (697 to 941 Hz) and one from a...
Data Collection by Experiments01:13

Data Collection by Experiments

Data collection is a systematic method of obtaining, observing, measuring, and analyzing accurate information. An experimental study is a standard method of data collection that involves the manipulation of the samples by applying some form of treatment prior to data collection. It refers to manipulating one variable to determine its changes on another variable. The sample subjected to treatment is known as “experimental units.”
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Design Example: Resistive Touchscreen01:14

Design Example: Resistive Touchscreen

A device engineer plays a crucial role in designing user interfaces for mobile devices. One such interface is the resistive touchscreen, which fundamentally consists of two metallic layers: a flexible upper layer and a rigid lower layer, separated by a narrow gap. The high resistance between these two layers is a key characteristic of this design.
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Data Collection by Survey01:07

Data Collection by Survey

The systematic method of obtaining and analyzing accurate information of a population is called data collection. A survey is a standard method of data collection that involves collecting information from a target human population about their experience, opinion, or knowledge of a product, service, or process. The responses are recorded and interpreted. The most common survey examples are written questionnaires, face-to-face or telephonic conversations, focus groups, and electronic (e-mail or...

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Related Experiment Video

Updated: Jun 21, 2026

An Assessment Method and Toolkit to Evaluate Keyboard Design on Smartphones
05:42

An Assessment Method and Toolkit to Evaluate Keyboard Design on Smartphones

Published on: October 5, 2020

Selection-based virtual keyboard prototypes and data collection application.

Barbara Millet1, Shihab Asfour, James R Lewis

  • 1Texas Tech University, Lubbock, Texas, USA.

Behavior Research Methods
|July 10, 2009
PubMed
Summary
This summary is machine-generated.

This study introduces a software tool for developing and evaluating selection-based text entry methods on mobile devices. It simplifies the creation and testing of new text input schemes, aiding engineering psychology research.

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Area of Science:

  • Engineering Psychology
  • Human-Computer Interaction
  • Mobile Device Technology

Background:

  • Selection-based data entry is an emerging research area in engineering psychology.
  • Evaluating text entry for mobile devices with limited keys presents challenges.

Purpose of the Study:

  • To describe a software tool that facilitates the development and empirical evaluation of alternative selection-based text-entry schemes.
  • To reduce the time and effort required for prototyping and testing new text input methods.

Main Methods:

  • Development of a software tool using Action Script.
  • Compilation into an executable file with an embedded Adobe Flash Player.
  • Ensuring compatibility across major operating systems (Windows, OSX, Linux).

Main Results:

  • The software tool streamlines the creation of prototypes for selection-based text entry.
  • It enables efficient empirical evaluation of these novel text input methods.
  • The tool is readily available for researchers, educators, and students.

Conclusions:

  • The developed software tool supports advancements in the field of mobile text entry research.
  • It provides a valuable resource for the engineering psychology community studying human-computer interaction.
  • Facilitates broader research and educational use of selection-based data entry evaluation.