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HOW SCIENCE WORKS 33<br />

enables the user <strong>to</strong> make predictions and <strong>to</strong> f<strong>in</strong>d their way around. The most<br />

contemporary articulation of critical realism is provided by B<strong>has</strong>kar (1989).<br />

Relativists, <strong>in</strong> contrast, hold that the theory dependence of observation<br />

makes our ideas about the world strongly dependent on the <strong>in</strong>dividual theories<br />

and ideas that we br<strong>in</strong>g <strong>to</strong> a problem or exam<strong>in</strong>ation of the world. In<br />

short, that there is no ‘God’s eye view of the world’ which is accessible <strong>to</strong> us<br />

(Putnam, 1975). Relativists argue, <strong>in</strong>stead, that there can be no absolute truths<br />

but rather that truth is established by draw<strong>in</strong>g on a particular frame of reference,<br />

a language or a culture. Thus all human <strong>practice</strong>s are socially embedded<br />

and can only be unders<strong>to</strong>od by observ<strong>in</strong>g them at work and by look<strong>in</strong>g at<br />

how they seek <strong>to</strong> establish their claims <strong>to</strong> knowledge. In the case of <strong>science</strong>,<br />

the best-known study that <strong>has</strong> taken this perspective is the ethnography conducted<br />

by La<strong>to</strong>ur and Woolgar (1986) of a labora<strong>to</strong>ry engaged <strong>in</strong> conduct<strong>in</strong>g<br />

work <strong>in</strong> neuroendocr<strong>in</strong>ology between 1975 and 1977. In this very detailed<br />

and thorough account, La<strong>to</strong>ur and Woolgar looked at how scientists transform<br />

their <strong>in</strong>itial tentative hypotheses <strong>to</strong> ideas which ultimately may become<br />

taken-for-granted facts. They argue that the scientific paper acts very much<br />

as a rhe<strong>to</strong>rical device where data are selectively used <strong>to</strong> support a particular<br />

argument which will be acceptable <strong>to</strong> their peers and meet the social norms<br />

and criteria established by the scientific community. The result, they suggest,<br />

is that scientific activity is not ‘about nature’, but is a fierce fight <strong>to</strong> construct<br />

reality. Consequently:<br />

<strong>science</strong> is a form of fiction or discourse like any other, one effect of<br />

which is the ‘truth effect’, which (like all literary effects) arises from<br />

textual characteristics, such as the tense of verbs, the structure of<br />

enunciation, modalities and so on.<br />

(La<strong>to</strong>ur and Woolgar, 1986, p. 184)<br />

Further examples of such a stance can be found <strong>in</strong> the work of Coll<strong>in</strong>s and<br />

P<strong>in</strong>ch (1993), Traweek (1988) and Picker<strong>in</strong>g (1984). Such views are undoubtedly<br />

radical and a challenge <strong>to</strong> many scientists. In the 1990s, there was a particularly<br />

fierce set of debates between scientists and the sociologists of <strong>science</strong><br />

known as the ‘<strong>science</strong> wars’. These reached a p<strong>in</strong>nacle with the publication of<br />

a hoax paper <strong>in</strong> a journal dedicated <strong>to</strong> the social studies of <strong>science</strong> (Sokal and<br />

Bricmont, 1998).<br />

The sociological turn<br />

But <strong>what</strong> were sociologists, with no knowledge of <strong>science</strong>, do<strong>in</strong>g study<strong>in</strong>g how<br />

scientific knowledge is produced Surely, it needs somebody who understands<br />

the discipl<strong>in</strong>e deeply The explanation lies <strong>in</strong> the writ<strong>in</strong>gs of Thomas Kuhn<br />

and his sem<strong>in</strong>al work The Structure of Scientific Revolutions (Kuhn, 1962). In<br />

this book, Kuhn argued that <strong>science</strong> consisted of periods of ‘normal <strong>science</strong>’<br />

<strong>in</strong>terrupted by periods of ‘revolutionary <strong>science</strong>’. In periods of ‘normal <strong>science</strong>’

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