Complex Systems and Applied Linguistics
Complex Systems and Applied Linguistics by Diane Larsen-Freeman and Lynne Cameron forms part of the Oxford Applied Linguistics series. However, you don’t need a great deal of prior knowledge of Applied Linguistics to read this book, as the main focus is on the complex systems part of the title. For that reason, it may be that some background in science would be helpful. Alternatively, a scientific background may have you throwing this book against the wall, for reasons explained below.
Complexity theory tells us that the behaviour of certain systems, known as “complex systems”, cannot be predicted because unmeasurably tiny changes now lead to completely different results later. This concept is best grasped using an analogy with a pile of sand. If you keep adding grains of sand to the pile, an avalanche is sure to happen, but it’s impossible to predict when, and in which direction, and how much sand will fall. All we can do is look back, and offer a retrospective account of what happened: the pile collapsed after adding such-and-such a grain, and fell in such-and-such a way, something that doesn’t allow us to predict similar events in the future because that “…depends on the day of the week… the time of day…” and a thousand other interconnected and uncontrollable factors (p235). It doesn’t take much scientific knowledge to realise that this runs contrary to the conventional picture of science that most of us learnt at school, with its regularly moving pendulums and models of the solar system. Complexity theory has been heralded by some as a paradigm shift, one that could revolutionise areas outside the natural sciences like economics, education and business. However, others believe that when it is exported to those other areas it usually becomes pseudo-science at best (hence the potential for angry scientists).
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