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Selective recruitment : ウィキペディア英語版 | Selective recruitment
Selective recruitment is an observed effect in traffic safety. When safety belt laws are passed, belt wearing rates increase, but casualties decline by smaller percentages than estimated in a simple calculation. This is because those converted from non-use to use are not “recruited” random members of the driving population. Instead, users differ from non-users in many ways that influence safety. Two effects are: *1. 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Selective recruitment」の詳細全文を読む
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