Internal validity concerns the only explanation of the results, and the external validity concerns the generalizability of the results.

and study population consisting of predominantly white clinical trial participants with type 1 diabetes, limiting generalizability.

研究人群主要包括患1型糖尿病的白人，结果推广受到限制。

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Cognitive level and generalizability are major factors that restricts Reasoning abilities of undergraduates of different nationalities.

认识水平与概括能力制约着不同民族大学生推理能力的发展。

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Creativity measurement data is applied in this study. Generalizability theory is used to describe the quality of psychological data.

以创造力测量为例，运用概化理论对心理测量数据的质量进行了描述。

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problem sets should be returned on the due date ( usually a week later).

要按时上交（一般是一周后）。

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and then a week later:

接着在一个星期之后：

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a week later, he received a reply.

一个星期后，他收到了回信。

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another 20 countries will follow a week later, including poland and new zealand.

一周后，包括波兰和新西兰在内的另外20个国家也将迎来iPhone5上市。

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his chance came a week later.

一星期之后，多马的机会就来了。

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A week later, he calls again.

一个星期后，他又打电话给国家气象局。

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and a week later you pick up your pictures.

一周后你就能取相片了

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i called again a week later.

一周后我又打了电话。

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Put the list away, and then set yourself the same task a week later.

然后把这个名单放在一边，一周后再做这个测验。

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little more than a week later, the unspecified new technique proved successful.

过了大约一周的时间，这种不明新技术被证明取得了成功。

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a week later, you extract the protein. it's that fast.

一周之后，你就能提取蛋白了。这就是这么快。

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he came back a week later.

一星期后他回来了。

provided by jukuu

a week later, michael was released from the hospital.

一周之后，迈克尔出院了。

provided by jukuu

a week later, the doctor called her.

一周后，医生将她叫道医院。

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not until a week later did he receive the letter.

直到一个星期后他才收到信。

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a week later the joint venture is set up.

一周之后，合资公司成立了。

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but a week later alan was not much better off:

一周后，艾伦确实好了些：

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