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澳洲, 奧地利, 加拿大, 捷克, 芬蘭, 愛爾蘭, 荷蘭, 新西蘭, 瑞士* X7 ], u, {8 ]! N& J, y- ^
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/ D7 {3 f! E2 a1 b5 `http://www.bbc.co.uk/news/science-environment-128111973 X% [* ?, d1 j
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22 March 2011 Last updated at 03:31 ET Share this pageFacebookTwitter ShareEmail Print Religion may become extinct in nine nations, study saysBy Jason Palmer- H4 F" _# I4 |+ _& k% M# r
3 I% m- A2 j2 U1 r0 XScience and technology reporter, BBC News, Dallas
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/ M0 c& r+ O4 D/ YA study using census data from nine countries shows that religion there is set for extinction, say researchers.% m4 k" ^5 O8 i% L( z1 S
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The study found a steady rise in those claiming no religious affiliation.
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The team\'s mathematical model attempts to account for the interplay between the number of religious respondents and the social motives behind being one.+ W1 ^" T- U$ v% L! Z) _
3 o7 |6 J' U/ e8 k6 ?5 SThe result, reported at the American Physical Society meeting in Dallas, US, indicates that religion will all but die out altogether in those countries.
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The team took census data stretching back as far as a century from countries in which the census queried religious affiliation: Australia, Austria, Canada, the Czech Republic, Finland, Ireland, the Netherlands, New Zealand and Switzerland.
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Their means of analysing the data invokes what is known as nonlinear dynamics - a mathematical approach that has been used to explain a wide range of physical phenomena in which a number of factors play a part.! x% B3 t7 |( |* X" Y2 C; G5 y
+ c- f* F0 |% jOne of the team, Daniel Abrams of Northwestern University, put forth a similar model in 2003 to put a numerical basis behind the decline of lesser-spoken world languages.8 j3 o! }/ {4 s, a9 q4 I1 R
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At its heart is the competition between speakers of different languages, and the \"utility\" of speaking one instead of another. x' M1 t! m/ \) G! G9 ^
+ x* J1 \( O& k8 q. [\"The idea is pretty simple,\" said Richard Wiener of the Research Corporation for Science Advancement, and the University of Arizona.- U" U7 Y* j! h6 k `1 K
3 R6 G% o% T# g! R& f. A- M\"It posits that social groups that have more members are going to be more attractive to join, and it posits that social groups have a social status or utility.
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4 [% c; R4 }+ h9 W\"For example in languages, there can be greater utility or status in speaking Spanish instead of [the dying language] Quechuan in Peru, and similarly there\'s some kind of status or utility in being a member of a religion or not.\"
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Dr Wiener continued: \"In a large number of modern secular democracies, there\'s been a trend that folk are identifying themselves as non-affiliated with religion; in the Netherlands the number was 40%, and the highest we saw was in the Czech Republic, where the number was 60%.\"& ~, y& m4 g: ]; ?3 n% K1 B
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The team then applied their nonlinear dynamics model, adjusting parameters for the relative social and utilitarian merits of membership of the \"non-religious\" category." x% ]5 S9 E Y6 _
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They found, in a study published online, that those parameters were similar across all the countries studied, suggesting that similar behaviour drives the mathematics in all of them.9 f/ C& x+ s* F
$ }! s: U1 z1 K4 P! G; W/ I$ [- W. UAnd in all the countries, the indications were that religion was headed toward extinction. B0 I& L1 J0 B/ b5 c
& i+ y# t; W' IHowever, Dr Wiener told the conference that the team was working to update the model with a \"network structure\" more representative of the one at work in the world.
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\"Obviously we don\'t really believe this is the network structure of a modern society, where each person is influenced equally by all the other people in society,\" he said.( g: Y2 k6 x5 x" O
2 B) D- \6 _. T% u9 ^ HHowever, he told BBC News that he thought it was \"a suggestive result\". 5 @/ ]- v0 t( ?; R: n
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\"It\'s interesting that a fairly simple model captures the data, and if those simple ideas are correct, it suggests where this might be going.
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\"Obviously much more complicated things are going on with any one individual, but maybe a lot of that averages out.\" |
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