Belief in God is much lower among academics than among the general population because scholars have higher IQs, a controversial academic claimed this week.

In a forthcoming paper for the journal Intelligence, Richard Lynn, emeritus professor of psychology at the University of Ulster, will argue that there is a strong correlation between high IQ and lack of religious belief and that average intelligence predicts atheism rates across 137 countries.

In the paper, Professor Lynn - who has previously caused controversy with research linking intelligence to race and sex - says evidence points to lower proportions of people holding religious beliefs among ¡°intellectual elites¡±.

The paper - which was co-written with John Harvey, who does not report a university affiliation, and Helmuth Nyborg, of the University of Aarhus, Denmark - cites studies including a 1990s survey that found that only 7 per cent of members of the American National Academy of Sciences believed in God. A survey of fellows of the Royal Society found that only 3.3 per cent believed in God at a time when a poll reported that 68.5 per cent of the general UK population were believers.

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Professor Lynn told Times ÖйúAƬ: ¡°Why should fewer academics believe in God than the general population? I believe it is simply a matter of the IQ. Academics have higher IQs than the general population. Several Gallup poll studies of the general population have shown that those with higher IQs tend not to believe in God.¡±

He said that most primary school children believed in God, but as they entered adolescence - and their intelligence increased - many began to have doubts and became agnostics.

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He added that most Western countries had seen a decline of religious belief in the 20th century at the same time as their populations had become more intelligent.

Andy Wells, senior lecturer in psychology at the London School of Economics, said the existence of a correlation between IQ and religiosity did not mean there was a causal relationship between the two.

Gordon Lynch, director of the Centre for Religion and Contemporary Society at Birkbeck, University of London, said that any examination of the decline of religious belief needed to take into account a wide and complex range of social, economic and historical factors.

He added: ¡°Linking religious belief and intelligence in this way could reflect a dangerous trend, developing a simplistic characterisation of religion as primitive, which - while we are trying to deal with very complex issues of religious and cultural pluralism - is perhaps not the most helpful response.¡±

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Alistair McFadyen, senior lecturer in Christian theology at the University of Leeds, said that Professor Lynn¡¯s arguments appeared to have ¡°a slight tinge of intellectual elitism and Western cultural imperialism as well as an antireligious sentiment¡±.

David Hardman, principal lecturer in learning development at London Metropolitan University, said: ¡°It is very difficult to conduct true experiments that would explicate a causal relationship between IQ and religious belief. Nonetheless, there is evidence from other domains that higher levels of intelligence are associated with a greater ability - or perhaps willingness - to question and overturn strongly felt intuitions.¡±

rebecca.attwood@tsleducation.com