Rehabilitation Program Clinical Trial
Official title:
Phase 1 Evaluation of the Influence of Settings of Word Prediction Software (Phase 1)and the Efficiency of Rehabilitation Programm (Phase 2)to Text Input Speed for People With Spinal Cord Injury
Computers now play an important role in the lives of most individuals.Access to computers is
crucial for people with disabilities and may improve their quality of life. The use of
computers can facilitate mainstreaming at school, for example, and the Internet may provide a
valuable means of communication. However, the use of computers requires a certain degree of
motor ability. People with motor disabilities frequently experience difficulties using a
standard keyboard and standard pointing input systems such as a mouse. Many solutions exist
to facilitate computer access, depending on the person's specific impairments and the purpose
for which the computer is used. The most common solution relies on the use of a virtual
keyboard which is directly displayed on the computer screen. The selection of the desired key
on the virtual keyboard can be handled by a large variety of input devices, from a
microgravity mouse to single switch devices supplemented by a process of dynamic scanning of
the keyboard.Although such assistive devices render computers accessible to people with
disabilities, the actual inputting of text can be very slow. A method to increase text input
speed is to display words which are predicted from the letters previously typed. Word
prediction reduces the number of necessary key strokes by avoiding having to type the whole
word. The effect on text input speed is, however uncertain and results in the literature are
inconclusive. Indeed, word prediction software provide a enhancement of cognitive load which
decrease text input speed.The reduction of cognitive load could therefore be based in part on
the optimization settings of the software and / or achievement of a rehabilitation
program.Our hypothesis are for people with spinal cord injury : i) optimization settings word
prediction software and ii) a rehabilitation program could improve the text input speed.The
investigators propose to study the influence of settings word prediction software on text
input speed and the influence of a rehabilitation program provided by a therapist, focused on
word prediction software to help integrate them. The aim is to increase the performance of
people with spinal cord injury and their satisfaction.
The first phase of this research is to select the word prediction software and configuration
that provides the best user support.The second phase corresponds to the objective of
evaluating the efficiency of a rehabilitation program .
PHASE 1 : The first phase studied the repeated measurement of the efficiency of typing text
topics in various situations. Each subject will copy a text different in each test and in a
random order. Similarly, if the word prediction software has a capacity for self-improvement
the internal dictionary, it will be disabled.
the investigators will study one setting of the configuration word prediction software. Are
available the length of the list of proposals for which three options are selected: 1, 3 or 5
words, according to the literature and to the results of a questionnaire.This questionnaire
was sent to identify the use of people with spinal cord injury and professionals about word
prediction software.
The list of words is in the upper position of the screen based on the results of the
questionnaire.
Four combinations will be tested on each subject. Twelve Tetraplegics will be required in
each group (one group using a virtual keyboard and one group using the physical keyboard)
Each combination will be tried for 10 minutes.
PHASE 2 :
The second phase will evaluate the effeciency of a rehabilitation program reduced cognitive
load generated by the software predictions words.
The investigators propose an evaluation of the effects of 12 training sessions in a
controlled, randomized, three parallel groups (experimental group : rehabilitation program, a
group : a self-learning and a group : no learning).
Text input tests will be performed before and after the training sessions for people who have
rehabilitation program. For the other two groups, those will be reviewed one month after the
first test.
For this evaluation, a different text but with the same difficulty will be used. The order of
execution will be randomized.
At the end of the month the three groups will be evaluated according to the same procedures
for the firts test.
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