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Tamarin presented to more than a thousand Israeli schoolchildren, aged between eight and fourteen, the account of the battle of Jericho in the book of Joshua:
Joshua said to the people, ‘Shout; for the LORD has given you the city. And the city and all that is within it shall be devoted to the LORD for destruction…But all silver and gold, and vessels of bronze and iron, are sacred to the LORD; they shall go into the treasury of the LORD.’…Then they utterly destroyed all in the city, both men and women, young and old, oxen, sheep, and asses, with the edge of the sword…And they burned the city with fire, and all within it; only the silver and gold, and the vessels of bronze and of iron, they put into the treasury of the house of the LORD.
Tamarin then asked the children a simple moral question: ‘Do you think Joshua and the Israelites acted rightly or not?’ They had to choose between A (total approval), B (partial approval) and C (total disapproval). The results were polarized: 66 per cent gave total approval and 26 per cent total disapproval, with rather fewer (8 per cent) in the middle with partial approval.
Unlike Maimonides, the children in Tamarin’s experiment were young enough to be innocent. Presumably the savage views they expressed were those of their parents, or the cultural group in which they were brought up. It is, I suppose, not unlikely that Palestinian children, brought up in the same wartorn country, would offer equivalent opinions in the opposite direction. These considerations fill me with despair. They seem to show the immense power of religion, and especially the religious upbringing of children, to divide people and foster historic enmities and hereditary vendettas.
Tamarin ran a fascinating control group in his experiment. A different group of 168 Israeli children were given the same text from the book of Joshua, but with Joshua’s own name replaced by ‘General Lin’ and ‘Israel’ replaced by ‘a Chinese kingdom 3,000 years ago’. Now the experiment gave opposite results. Only 7 per cent approved of General Lin’s behaviour, and 75 per cent disapproved. In other words, when their loyalty to Judaism was removed from the calculation, the majority of the children agreed with the moral judgements that most modern humans would share.
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