Educationalists lay some of the blame for the shortage of technically competent staff on a cultural bias.

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Such cultural bias and unapologetic ignorance reinforce the racial gulfs that fuel rap's resentment of the status quo.

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But Adachi and Willoughby suggest we might have a cultural bias.

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Cultural bias in favour of males has produced an officially recorded ratio at birth of 118 boys to 100 girls, according to China's national census in 2000.

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Is cultural bias really what has hurt RIMM since 2007?

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This is cultural bias at work.

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Iran's promise to investigate the allegations is a change in position after initially calling the incident a "misunderstanding arising from differences in cultural behavior" and a result of media bias, a statement from the Iranian embassy in Brazil said.

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Concerns have been expressed that there could be a bias within ethnic groups towards selecting boy children, for cultural reasons.

BBC: Many parents 'would choose baby's sex'