However, this effect varies considerably among exercise intervention studies.

但在各种训练的干预性研究中这种效应各异。

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More research on the benefits of blueberry fruit consumption in human intervention studies is warranted.

更多关于食用蓝莓水果消对人体的好处的干预研究是必要的。

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In spite of its high mortality, morbidity and chronicity, there are few intervention studies on the subject.

虽然有高致死率致病率及慢性化，仍少有介入的研究在这样的主题。

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"Optimal health and health care for all children will require recognition of disparities as pervasive problems, methodological sound disparity studies, and rigorous evaluation of disparities intervention."

VOA: standard.2010.04.07

Now the intervention studies are stronger methods than the epidemiology studies but they're also more difficult studies to do.

相比传染病学研究,干预性研究更有效,但也更难执行

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

One are epidemiology studies and then the second are intervention studies.

一种是流行病学研究,另一种是干预性研究

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

These are the gold standard randomized control trials or intervention studies, in which a control group consuming soda is monitored for weight gain over time against a group which stops drinking soda (and all other dietary and lifestyle factors are controlled for).

FORBES: ABC News Attacks Scientist Who Exposed Bias In Obesity Research

"The evidence that has come up is of great interest but it's all either anecdotal or epidemiological and not the intervention studies that are going on right now that will lead to answers in the next three years, " said Robert Wood, director of Pediatric Allergy and Immunology at Johns Hopkins University School of Medicine.

WSJ: Food Allergy Advice for Parents: Start Peanuts, Eggs and More Sooner

For example, one of the most widely cited intervention studies on soda and weight, ( Ebbeling et al. 2006) took 103 adolescents aged 13 to 18 who regularly consumed soda and randomly assigned them to either a group that received no calorie beverages for six months by way of home delivery or a control group that carried on drinking soda as normal.

FORBES: ABC News Attacks Scientist Who Exposed Bias In Obesity Research