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Commentary on Theories of Mathematics Education

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Preface to Part XV<br />

Tommy Dreyfus<br />

As this book makes amply clear, theory is are a crucial ingredient in any research<br />

study in mathematics educati<strong>on</strong>. One role <strong>of</strong> theory is to give the research study a<br />

framework within which data can be interpreted and arguments leading from the interpreted<br />

data to c<strong>on</strong>clusi<strong>on</strong>s can be set forth. Without a theoretical framework, the<br />

interpretati<strong>on</strong> <strong>of</strong> data is becomes arbitrary and arguments may become difficult to<br />

both, make and follow. While we may occasi<strong>on</strong>ally see research reports without an<br />

explicit theoretical framework, this is not an indicati<strong>on</strong> that no such framework was<br />

used, though it may be an indicati<strong>on</strong> that the authors were not aware that they were<br />

using a framework implicitly, a framework that thus remained hidden not <strong>on</strong>ly from<br />

the readers but even form the researchers themselves. The necessity <strong>of</strong> theoretical<br />

frameworks has l<strong>on</strong>g been recognized by the research community. Therefore most<br />

research journals require any submissi<strong>on</strong> to have a clear and explicitly specified<br />

theoretical framework. Educati<strong>on</strong>al Studies in <strong>Mathematics</strong>, for example, explicitly<br />

requires this in its advice for prospective authors (ESM 2009): The journal seeks<br />

to publish articles that are clearly educati<strong>on</strong>al studies in mathematics, make original<br />

and substantial c<strong>on</strong>tributi<strong>on</strong>s to the field, are accessible and interesting to an<br />

internati<strong>on</strong>al and diverse readership, provide a well founded and cogently argued<br />

analysis <strong>on</strong> the basis <strong>of</strong> an explicit theoretical and methodological framework, and<br />

take appropriate account <strong>of</strong> the previous scholarly work <strong>on</strong> the addressed issues.<br />

In accord with requirements such as this and similar <strong>on</strong>es by other journals, many<br />

researchers and research groups have developed theories that suit their purposes; this<br />

has not <strong>on</strong>ly led to a diversity <strong>of</strong> theories, but also to a diversity <strong>of</strong> what is being c<strong>on</strong>sidered<br />

‘theory’, and a diversity <strong>of</strong> ways <strong>of</strong> c<strong>on</strong>structing theories. As a c<strong>on</strong>sequence,<br />

a large number <strong>of</strong> theories with a wide array <strong>of</strong> characteristics exist and are being<br />

used, more global <strong>on</strong>es like the Theory <strong>of</strong> Didactic Situati<strong>on</strong>s (TDS; Brousseau<br />

1997) and more local <strong>on</strong>es like Abstracti<strong>on</strong> in C<strong>on</strong>text (Schwarz et al. 2009); some<br />

developed with the explicit purpose <strong>of</strong> serving as theories for the domain <strong>of</strong> learning<br />

and teaching mathematics, like TDS, and others rather c<strong>on</strong>stituting a philosophy <strong>of</strong><br />

mathematics educati<strong>on</strong>, like Realistic <strong>Mathematics</strong> Educati<strong>on</strong> (Gravemeijer 1994).<br />

Indeed, it appears that many researchers tend to prefer developing their own framework<br />

rather than read, learn, understand, adopt, adapt and apply existing <strong>on</strong>es that<br />

were developed by others. This has led to a plurality <strong>of</strong> theories (Lerman 2006),<br />

T. Dreyfus ()<br />

Department <strong>of</strong> <strong>Mathematics</strong>, Science and Technology Educati<strong>on</strong>, Tel Aviv University, Tel Aviv,<br />

Israel<br />

e-mail: tommyd@post.tau.ac.il<br />

B. Sriraman, L. English (eds.), <strong>Theories</strong> <strong>of</strong> <strong>Mathematics</strong> Educati<strong>on</strong>,<br />

Advances in <strong>Mathematics</strong> Educati<strong>on</strong>,<br />

DOI 10.1007/978-3-642-00742-2_45, © Springer-Verlag Berlin Heidelberg 2010<br />

479

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