Scenario 2 Developing switching
skills
A pupil can be seen to move through the
following stages: -
- spectator
- participant
- creator
For some pupils switch use will provide their
most effective means of control (e.g. for recording, communication or
mobility). To allow pupils to move through the stages of switch development
they will need frequent opportunities to develop switch use. These
opportunities should be incorporated into the routine of the school day. We
need to think of switching as becoming that pupils method of recording,
so they should be given as much opportunity to develop their skills with a
switch as other pupils would have to develop their pencil skills.
To give pupils opportunities to develop
switching skills we need to be able to provide appropriate activities for the
stage of switching they are presently at. At each stage we need to be clear
about the cognitive and physical demands involved. If a pupil is given an
activity that is both cognitively and physically challenging they may fail, but
we will not be able to determine easily why they have failed. When introducing
switching it is suggested that the activity controlled by the switch be as
motivating as possible while as cognitively easy as possible. This will allow a
judgement to be made about the potential of switch use for a pupil and for the
pupil to devote their energy to the physical challenge of activating the
switch. In this way we can be sure they understand the concepts of switching
and can easily manage the physical skills required. This strategy may be needed
at each stage of switching skill development.
Developing switching skills with many pupils is
not a quick process and the time to move from one stage to the next can be
considerable. For pupils taking time to consolidate their skills it will be
important to provide a wide range of switch activities in order to maintain
their interest and motivation. It will also be necessary to monitor
pupils progress carefully and to be ready to introduce more challenging
activities as soon as they are ready, since staying at one stage for too long
can result in boredom and an unwillingness to cooperate.
Prompting
Prompting is very important in the process of
developing switching skills. The right kind of prompts, delivered at the right
time, can have a very beneficial effect on the acquisition of switching skill,
can increase the opportunities for switching and maintain a pupils
interest. On the other hand the wrong kind of prompts, delivered at the wrong
time, can have a negative effect.
Physical prompting
Initially a pupil may need physical prompting
to press the switch; this may start off with hand over hand but should be
slowly reduced to, for example, a nudge of the elbow. As with any activity the
physical prompting should be reduced over time so that eventually the pupil
follows the activity without any physical prompting
Verbal prompting
When a pupil is learning to use a switch to
achieve an effect it is important that the language used with them is
consistent and appropriate. Do we say press the switch, hit
the switch, hit the button or turn on the music?
We all tend to use a combination of these verbal prompts. This can be very
confusing, especially if the pupil works with several different people.
The best approach is likely to be to decide on
a style of prompt to be used and stick to it; ensure that all those working
with the pupil know what approach has been decided on to ensure consistency. As
a general principle it will be more productive to focus the pupils
attention onto the activity being controlled rather than on the switch itself;
so that prompts such as play the music and make the car
go are used rather than press the switch and hit the
button. This can have the effect of consolidating pupils
understanding that the switch is a means to an end rather than an end in itself
and can assist with establishing an understanding that the same switch can be
used to gain control over a range of activities.
In addition to considering the type of verbal
prompting used, it is also necessary to monitor the amount of prompting given.
This is especially necessary in the early stages of switching skill
acquisition, since it is necessary to determine if the pupil is demonstrating a
real understanding of the effect of a switch activation or is responding to the
verbal prompts provided instead.
Verbal prompting should be reduced as quickly
as is appropriate so that the pupil is as independent in switching as possible.
As the pupil moves through progressively more complex stages of switching the
need for verbal prompting will vary. As a pupil becomes competent and confident
at one stage the need for prompting will diminish and should be faded, but as
the next stage is entered the need for verbal prompts is likely to increase. It
can be difficult to get this balance right, but regular monitoring and team
meetings can help.
Example 2a
In a review of Millys switching skill
development it became apparent that those working with her used a range of
verbal prompting strategies. The team decided that as she was using a switch to
activate a range of cause-and-effect activities and to consolidate her
understanding of such, it would be appropriate to focus her attention onto the
activity rather than onto the switch. The team members decided that they needed
to standardize the prompts they used. To help them achieve consistency in the
early stages of this new approach they even decided on the form of words they
would use, e.g. make the pig dance (with the switch connected to a
vibrating pig), get the next picture (with the switch connected to
a computer with cause-and-effect software) and play some more music
(with the switch connected to a tape recorder). At the next review the team
felt that this approach had been successful, in that Millys understanding
of the purpose of the switch had developed and that the adoption of a standard
approach had made it easier for them to determine what their role should be
when working with Milly.
Key skills and equipment
The key skills for the above example are:
- the use of switches with mains-powered devices
- the use of switches with battery-powered devices
- the use of content-rich software activities for use at
the spectator and participant stages
The key equipment is:
- contact switch
- switch latch / timer unit
- mains switching unit
- battery and mains-powered devices (e.g. tape recorder)
- computer with switch interface
- cause-and-effect software
Spectator
What this involves
The pupil is not exerting any active control
over her environment but is showing interest by watching and listening. The use
of technology may enhance sensory awareness, providing visual, auditory or
tactile stimulation in an exciting and motivating curricular context. This can
take place individually or in a group situation.
This stage can be useful in establishing a
pupils interest in a switch-driven activity and can be useful in
directing a pupils attention to the activity before placing the switch in
such a place so as to facilitate its operation by the pupil.
It is important to move forward from this stage
as quickly as possible and to get the pupil participating actively; otherwise
motivation and interest will wane.
Example 2b
In a science session Mrs OB. works with a
small group of pupils to enhance their sensory awareness through the use of a
mains switching unit. Connected to the switching unit she has a fan, a light
and a bubble tube. When she activates the switch connected to the mains
switching unit the three mains devices are turned on. By physically prompting
pupils to activate the switch, Mrs OB. is bridging the gap between the
spectator stage and the participant stage.
Key skills and equipment
The key skills for the above example are the
ability to:
- the use of switches with mains-powered devices
The key equipment is:
- mains switching unit
- mains-powered devices
Participant
What this involves
This stage is made up of a number of component
stages:
Cause and effect
At this stage the pupil begins to interact with
his or her environment. It involves the development of understanding that an
action can cause a response (cause and effect).
Build
The pupil learns to repeat presses; each switch
press makes an advance towards a final auditory or visual reward e.g. when
several switch activations are needed to complete a picture using
Build software.
Turn-taking
The pupil learns that there is a time to make a
switch activation and a time not to make a switch activation and that a switch
can be used to participate in an activity with others.
Timing
The pupil needs to respond to an action by
activating the switch within a particular time frame. This is a prerequisite
skill for one-switch scanning (as opposed to two-switch scanning or
turn-taking) and is needed to be able to make selections from the screen. This
stage involves a large cognitive step from the cause-and-effect and build
stages.
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