Scenario 10 Organization of alternative
access tools
Seating and positioning
When a pupils handwriting is giving
teachers cause for concern, we would always look for a simple
low-tech solution before offering a keyboard. Sometimes supportive
seating will help the pupil to control the trunk and stabilize the shoulder
girdle. This alone may improve pencil control.
But in some cases, it is important not to
persevere for too long with handwriting. Some pupils will write much more
effectively using technology. Some pupils will never write effectively using a
pencil.
Whether the pupil is writing with a pencil or
using a computer, seating and positioning is important. Pupils who use a
keyboard as an alternative writing aid may need to do so because they have
difficulty with motor control. The way in which they are seated and the
position of the writing aid in relation to this, will influence their ability
to make the most of the resource. If the pupil is off-balance, and
not seated comfortably with trunk and feet well supported, then their control
of either pencil or keyboard will be hindered. Feet flat on the
floor may not be possible but old telephone directories make cheap foot
stools!
Remember that seating of the pupil and
positioning of equipment are equally important for other input devices that may
be required, such as rollerballs, joysticks or switches.
Take into consideration the following
issues:
- Is the keyboard positioned to give maximum access in
relation to the childs usual place in the class? Is the keyboard kept
where it is easily accessible when needed?
- At the childs work place is the keyboard placed
within the childs range of vision, the range of movement and to match
hand preference? Would it be better to angle the surface of the keyboard?
- Do we need to change the surface that the keyboard or
mouse rests on? Dycem matting is a tacky plastic sheet, available
in rolls, which can be cut to any size and used under anything that needs to be
stabilized e.g. paper, books, mixing bowls, protractors, rulers, stencils,
keyboard, templates etc. Mouse mats with different surfaces will provide
varying degrees of friction for better control of the mouse. Other products,
such as Velcro or velgrip material might also be useful.
- Mice can be exchanged for rollerball, joystick, glide
points or touch pad. Some pupils find it easier to use a laptop with an
internal control such as a touch pad, resting the heel of their hand on the
front of the keyboard for extra stability.
- If control is very poor then the pupil may need to use a
keyguard, a wrist support or even switches.
- If a keyboard is to be used as the main writing method,
then take heed of bad posture and the dangers of RSI.
- Sometimes a compromise between functionality and good
posture may have to be made if this is the only way for a pupil to control the
technology.
The inclusive classroom?
We need to be careful that access to an
assigned keyboard does not isolate a child. Working at a stand-alone computer,
or even a portable which needs mains electricity, usually means that the pupil
has to sit away from his friends and face the wall. Working alone or with a
Learning Support Assistant may create barriers to inclusion.
Take into consideration the following
issues.
- Word processors can be quiet and small enough to use at
the normal classroom table, allowing pupils to take part in everything their
peers do.
- Many ICT activities can be shared. Co-operative writing
at the computer can lead to valuable discussion between pupils of varying
abilities.
- Using a computer allows independent recording without an
adult mediating the pupils thoughts.
- Barriers can be removed and pupils can show their true
ability: for example a dyslexic pupil using word banks or a predictor can write
independently; a pupil with physical disabilities can access a word processor
using switches if necessary.
Example 1 Including a pupil
Josh is in a mainstream class (Year 6) of
thirty pupils. He uses a stand-alone computer running Penfriend as his word
predictor. Josh has a keyguard to stop him making wrong key presses and,
despite his limited fine motor skills, manages to record text as quickly as his
friends can hand write. The classroom is small and room is limited, but the
class teacher and Joshs SEN assistant have arranged that he can pivot on
his chair, between the computer alongside the wall and the work table he shares
with his friends. In the classroom situation Josh needs minimal additional
assistance, but he is also particularly gifted at Maths and is one of a group
who have extra tuition outside the classroom. Here, without his computer, his
SEN assistant acts as scribe.
Key skills and equipment
The key skills for the above example are:
- communication between staff
- being able to stand back and let the pupil take charge of
his own learning
The key equipment is:
- stand-alone computer and appropriate supportive software
- flexibility in classroom organization
Access to the computer via a keyboard
The keyboard is the most usual and efficient
means by which most pupils can operate the computer. Some keyboards may be too
big and a pupil with limited reach or strength may not be able to move their
hand across its breadth. The keyboard may be too small or the keys so close
together that the pupil cannot isolate individual keys very easily. Characters
may repeat if a key is pressed for too long. If it is too light and not
stabilized it will be knocked around the work surface by unintentional
movements.
Some solutions to consider
- Big Keys Plus is a simple keyboard with large coloured
keys suitable for young pupils or older pupils with perceptual and learning
difficulties. Some adult users with physical disabilities find that it suits
their needs. It comes in primary colours or adult grey. Note that Big Keys Plus
does not have the full range of keys, nor is the layout fully standard. This
needs to be borne in mind if a pupil is likely to move on to a standard
keyboard at some time.
- Small keyboards, e.g. Cherry compact keyboard, are often
appropriate for pupils who have physical difficulties. The wrist and lower arm
can be stabilized and then minimal movement is required to reach the keys.
- A keyguard is a piece of metal or plastic with holes,
fitting on top of a standard keyboard with the holes positioned over the keys.
A keyguard prevents wrong key presses and will support hands that are weak and
may drag over the keyboard.
- It is very difficult to get a keyguard to fit an
arbitrary PC keyboard as so many different models are available. The answer is
to buy a keyboard with keyguard attached that is PC-compatible.
- If a laptop user needs a keyguard it is easier to buy a
small compact keyboard with guard that can be detached and carried in the
computer bag.
- Individualized perspex keyguards have to be removed when
the laptop is closed the fittings snap off easily.
Example 2 Alternative keyboard
Susie is developmentally young but likes to join in when her
friends in Class 3 write on the computer. As the standard keyboard is confusing
and the keys too small for her large fingers, the school has bought a Big Keys
Plus board, which attaches to the computer at the same time as the standard
keyboard, using a Y-Key-Key dual keyboard connector. This allows Susie to share
a writing activity with her friend. To make access even easier, the keyboard
has a keyguard so that Susie can rest her hand when locating a key, and not
spoil her friends work by hitting the wrong one and confusing the
software.
Key skills and equipment
The key skills for the above example are:
- attach dual keyboard connector and board
- colour code white keyboard if necessary
The key equipment is:
- Big Keys LX (White / Qwerty) with lowercase keys or
stickers
- Y-key-key dual keyboard connector
Example 3
Alternative keyboards
Michael is in mainstream secondary school, but was referred
to the LEAs ICT / SEN Advisory Service whilst at primary school. He has a
disability affecting the muscles in both arms and legs and this makes writing
difficult. Michael uses an AlphaSmart 2000 keyboard in lessons. It is light and
robust enough to withstand normal school life. His files are saved
automatically and then he sends them to an Apple Mac or PC computer in school.
He edits them and then prints them off totally independently. His school has
been very encouraging. Michaels typing speed is now faster than other
pupils handwriting.
Overlay keyboards
- Overlay keyboards can be divided into any number of
target areas / cells from just two to over two hundred. A matching paper
overlay is placed on top and when the pupil presses a cell, the computer reacts
to the message assigned to that area. In order to create an overlay, a
compatible software program must be used. Some boards come with ready made
overlays.
- For the physically disabled child, overlays can be set up
with a small number of large areas so that only a gross movement is needed to
activate them.
- An overlay keyboard with a letter grid can be used as a
large or expanded keyboard for a pupil who has such gross movements that they
cannot manage a standard keyboard.
- An overlay keyboard allows the teacher to design the
overlay so that the target areas are meaningful to the pupil (concrete objects,
pictures, symbols, colour, texture).
- An overlay keyboard, with single words or with prepared
chunks of text printed on the paper overlay, will run alongside the standard
keyboard. The availability of the words and phrases will encourage the
reluctant writer who suffers from blank page syndrome. For the
pupil with poor motor skills this speeds up the process and makes writing less
tiring.
Example 4 Using an overlay
In Year 1, Ms K. was very keen for her
pupils to use ICT to support an activity where they would be required to
identify and sort real things. They would then need to record their findings.
Although some of the pupils were able to use the standard keyboard to enter
their numbers, there were some for whom the keyboard was too perceptually
confusing. Using an IntelliKeys Board she designed an overlay with eight target
areas:
The pupils took it in turns to sort random selections of
things into colour families. They then used the board to enter the
information into a simple data-handling program (e.g. Counter for Windows) and
then displayed their findings in a number of different graphs.
Key skills and equipment
The key skills for the above example are:
- attach the overlay keyboard
- design the overlay
- set up the data handling software
The key equipment is:
- IntelliKeys Board
- Overlay Sender Software
- data handling / graph-making software
Alternatives to the mouse
- All mice work on the same principle. A rolling ball (or
light sensor) makes a cursor move around the screen and selections are made by
pressing the buttons on the mouse. The ball (or light sensor) is on the
underside and is controlled by moving across a surface.
- A rollerball (or tracker ball) is an upside-down mouse.
The ball is on top, the mouse stays still and the pupil moves the ball around.
- Rollerballs now come with a latching drag facility
which, when activated, allows the pupil to move the cursor across the screen
without holding down one of the buttons. Some come with a removable guard to
prevent unwanted button presses.
- Rollerballs with a latching drag facility allow users
with physical difficulties more control when navigating around a
windowed environment, using a graphics program or exploring a
CD-ROM.
- Joystick versions of a rollerball can be more easily used
by some pupils. The Penny and Giles Roller Plus Joystick also has a button to
adjust the pointer speed.
- The MicroTrac is a very small, independently mounted,
rollerball that can be attached with Velcro to clothing so making it
accessible to pupils with reduced reach. Alternatively, it will take up very
little space on a wheelchair tray.
- Large pointers and cursors can be downloaded free from
the ACE Centre Advisory Trust website
ace-centre.org.uk
Touch screens
- The most recent touch screens are proving to be more
reliable than previous versions. They do not need to be calibrated for the
individual user and come built into the computer monitor (Touch Monitors).
- A touch screen should work with any mouse-driven
software. The idea is that the finger, or a stylus, takes the place of the
mouse pointer. However, poor co-ordination or large fingers may mean that the
pupil cannot locate the precise, often small, area required.
- Touch screens are a direct means of making something
happen on a computer. There is nothing between the pupil and the screen
activity. This method of access has been found most useful for pupils who need
the immediacy of making something happen to keep their interest.
- Although all mouse-accessible software is accessible via
a touch screen, a pupil who prods the screen at random can confuse the system
and little progress will be made. Early learning software which ignores
incorrect hits and reinforces correct ones work the best.
- Talking stories can be readily used with a touch screen.
Writing software that provides on-screen grids (such as Clicker, Inclusive
Writer, Writing with Symbols 2000) are also accessible with a touch screen.
Switches
- Switches provide a simple to use and direct way of
controlling a computer, a communication device or environmental control.
- Switches allow very young pupils, or those with learning
/ physical difficulties, access to software which teaches cause and
effect, allows them to make choices and supports the development of
language and literacy.
- Switches allow two or more pupils to share an activity
and learn how to take turns. Working together in this way
encourages language development and creates an inclusive learning environment.
- Software will now allow switch access to email and the
Web, so enabling the independence and privacy of those who need to rely upon
another adult for the organization of their daily lives. Technology will now
allow cognitively able switch users to continue to work from home, enjoy
lifelong learning and personal and social independence.
- For some pupils a switch will be their method of access
to written and spoken communication throughout their lives. Assessment for
switch access is a long and possibly complex process. The aim is to locate and
train the part of the body that the pupil can control best. After learning how
to activate the switch the pupil then has to learn how to control the action of
that switch.
- Most switch software is controlled by a scan an
indicator moving across the screen. The pupil must press the switch when the
indicator reaches the required place. The scan can be controlled by the pupil
using another switch, or set up so that the indicator moves automatically. The
speed of the automatic scan can be adjusted to suit the child, but much
practice is usually necessary before the pupil can press the switch at the
right moment. Much more detail on switch access is available in Unit 8
The development of switching skills to assist access to the
curriculum for pupils with severe and complex needs.
- Assessment and on-going support from a multi-professional
team are essential.
Example 5 Using switches
See Scenario 4: Example 3: Composition (page 20)
See Scenario 7: Example 7: Using switches to write (page 36)
Key skills and equipment
The key skills for the above example are:
- understanding of the physical skill needed to access the
switch
- ability to adjust the position of the switch in order to
facilitate the pupils access
- understanding of how to alter the speed of the scan and
the selection method to suit the pupils abilities
- ability to adjust the working screen to make access
(visual, cognitive, physical) easy
The key equipment is:
- compatible switch box to allow access to the chosen
software
- suitable switch(es)
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