The new study has some obvious shortcomings, particularly that it relies entirely on self-reports from a self-selected group of respondents.
新的研究也有些明显的缺点，尤其是它完全依赖自己选择参加的受试者的自述。
One group of teens ate self-selected low-calorie meals not exceeding 1,300 to 1,500 total calories per day.
一组肥胖少年采用自选的低卡路里餐，每天摄入的卡路里总量不超过1300至1500。
Under this model, loan applicants have to form a self-selected group of five people in order to qualify for a loan.
在这种模式下，贷款申请人必须形成一个自我选择的五人小组，其目的是为了有资格获得贷款。
They come in every day for two weeks, sitting in on about three hours of lectures each morning and then taking the rest of the day to work on self-selected projects.
他们在这两周里每天都要上课，上午是三小时集中授课，下午完成自选项目。
I've seen many foreign friends elicit guffaws from native Mandarin speakers when announcing their self-selected Chinese designations.
我多次见过这样的情景，当外国朋友报上自己取的中文名字时，母语为汉语的人往往爆发出哄堂大笑。
A problem with both these studies is that participants in both groups were self-selected.
这些研究的共同问题在于两组的参与者都是自我选择的。
A problem with both these studies is that participants in both groups were self-selected.
这些研究的共同问题在于两组的参与者都是自我选择的。
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