Now, a new study that began with about 1,000 children in New Zealand has tracked how a child's low self-control can predict poor health, money troubles and even a criminal record in their adult years.

现在，面向新西兰1000名儿童开始的一项新的研究追踪调查了儿童的低自制力是如何预测他们成年后的健康不良、金钱问题甚至犯罪记录的。

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But with the abundance of self-tracking tools now on offer, everyday changes can become the material of careful study.

但是，应用现有这些庞大的自我追踪工具，每天的变化将会变成宝贵的研究资料。

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A vast range of materials, from videos to podcasts and eBooks are available right now on the Internet for self-study.

目前因特网上有很多资料，如视频、播客、电子书等可用于自学。

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For now, the list of 2, 900 colleges and universities awarding credits for self study is dominated by community colleges and other second-tier institutions.

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In one study, 35 patients self-monitored their diet and exercise using PDAs, a technology now largely replaced by smart phones.

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