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Internationally, 'giftedness' is most frequently determined by a score on a general intelligence test, known as an IQ test, which is above a chosen cutoff point, usually at around the top 2-5%.

国际间，众所周知的IQ测试成绩中，最高的2-5%的成绩常被用以标测“天才”。

Children's educational environment contributes to the IQ score and the way intelligence is used.

教育有助于IQ测试成绩名列前茅及施谋用智。

For example, a very close positive relationship was found when children's IQ scores were compared with their home educational provision (Freeman, 2010).

例如，Freeman于2010年便指出IQ测试成绩与家庭教育投资几乎呈正相关关系。

The higher the children's IQ scores, especially over IQ 130, the better the quality of their educational backup, measured in terms of reported verbal interactions with parents, number of books and activities in their home etc.

以家长的交流记录，家里的书及家庭活动量为评估标准发现：IQ成绩越高，尤其130分以上，家庭教育质量越高。

Because IQ tests are decidedly influenced by what the child has learned, they are to some extent measures of current achievement based on age-norms; that is, how well the children have learned to manipulate their knowledge and know-how within the terms of the test.

毫无疑问，IQ成绩由孩子们之前所学的知识最终决定，IQ测试换汤不换药，知识掌握的熟练度及考试中的应试技巧决定其分数。

The vocabulary aspect, for example, is dependent on having heard those words.

例如，耳濡目染的词汇自然可以脱口而出。

But IQ tests can neither identify the processes of learning and thinking nor predict creativity.

然而，IQ测试无关通幽洞微、以一知万的认知能力，更无法卜测其独树一帜的潜力。