We are trying to tease a lot of threads out of a tangled ball of wool here!
I realise you are school teacher and so your responses are going to be in that context but I really do need to emphasise again that education is not just children and so I take a very broad view. My own experience is in delivering national services and in that respect what device is being used is largely irrelevant because there is no way that every student in the UK is going be using the same piece of kit. This is for all sorts of reasons.
So to deal with that issue I set baselines of what the technology needs to be capable of. By a baseline I mean for example a mobile device with web browser and 2G connectivity with 1GB of memory etc..
The problem with your model is that it does deny personalisation. Giving every learner an iPhone (or whatever) would be the same as giving every music student a Trombone. After all every Trombone player will develop their own style and play different types of music - so there is individualisation but they are still all playing the trombone.
I disagree with your closing point about giving "all the same tools for each child and teachers are trained prior to using", for me this would be the end of personalisation in mobile learning, since it really would be everyone playing the trombone (how far am I going to push this metaphor
.In fact handheld devices have been phased in. The various conferences and programmers in Schools, Post-16 and HE have all had projects on varying scales looking at the impact of these devices. The problem as I see it is that Education as a sector is scared to take the next step and leave behind the project infrastructure.
If we accept that we all (and I really do mean everyone here) have different learning styles then we need to let learners find the technology that suits them. This means that for some learners no digital technology will suffice and for others they will need little if any contact with a single educator, whilst for others they will need it everyday. This is personalisation. Giving every child a mobile phone or laptop isn't.
The idea of every learner with the same device speaks to me of everyone in rows of desks. I accept your point about each learner focusing on a different aspect of the device's capabilities to enhance their learning but that is also true of learners in rows of desks, some will always answer the questions verbally, some by writing answers, some by book learning, others by board and so on.
Economically, I don't believe that your model is sustainable at the moment. Technology is changing at a cracking pace. By the time contracts are negotiated and in place, whatever is chosen on a large scale will be out-of-date.
It is unlikely we will end up with a consensus and viva la difference! After all mobile learning is still too new for anyone to say this is 'how it must be done'.
There is a middle way though and I experimented with this on the two MoleNet projects I was consultant to (Stockport and Trafford Colleges). MoleNet was a capital spend, so it had to provide hardware. This was duly done but we did not buy just one piece of kit but a variety of devices. Harder to manage but we ended up with a technological landscape that more closely reflected our day-to-day reality.
The key to its success was the baseline I wrote about earlier. As I explained services I design are developed with a baseline in mind. So I knew that so long as the devices met that baseline the services would work in the project.
Its another project but it shows that you can have variety in terms of device access but consistency in service delivery.
We remain in full agreement about the need for training. However, the real focus of this training should be to encourage educators to look beyond the technology and to start applying the pedagogy.
Let's see where we go next Sharon


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