What attitudes toward American life and toward racial differences are assumed in the text?
在其内容中对美国生活和种族差异作了哪些假设？
The results were the same even after the researchers controlled for factors like age and racial differences.
研究者按照年龄和种族分类后仍然得到相同的结果。
What the eye sees as racial differences - between Europeans and Africans, for example - are mainly a way to adapt to climate as humans move from one continent to another.
我们眼中看到的人种差异，例如欧洲人与非洲人的差异，主要是人类从一个大陆向另一个大陆迁移时为适应气候所产生的。
The study is also one of just a few to include a high enough proportion of Black couples that researchers can assess racial differences in conflict strategies and their effects.
该研究也是为数不多的包括了足够多的黑人夫妇的研究，使得研究者们可以评估冲突策略的种族差异及其影响。
Incidence was higher among blacks than among whites, the report indicates. Racial differences in incidence decreased with age and have not changed over time, the researchers observed.
报告指出，黑人发病率高于白色人种。研究者还观察到，发病率在种族之间的这种差异随着年龄增长而减小，但不随着时间的变化而改变。
The Arab-American Society promotes the transcendence of racial and religious differences.
阿拉伯裔美国人协会促进了种族和宗教差异的超越。
They also examined whether behavior changed over time, and whether there were racial or gender differences in behavior patterns and outcomes.
他们也检验了行为是否随着时间变化，以及在行为模式和结果上是否有种族和性别差异。
And for almost any health outcome that we examine, if you take into account differences in education and income and occupation, racial inequities in health narrow, if they don't disappear altogether.
在我们调查得出的几乎所有的结果中，如果每次都将教育、收入或者职业因素对健康的影响的差别考虑进去，种族不平等对健康的影响就变小了。
Social factors, differences in income and education, racial bias, and environmental deterrents all play a role.
社会因素、收入与受教育程度上的差距、种族偏见和来自环境的威胁都是影响因素。
While the prevalence of stroke was similar among men (2.7 percent) and women (2.5 percent), there were great differences among racial and ethnic groups.
虽然中风的患病率男性（2.7%）与女性（2.5%）相近，但在种族和民族上还是有很大的差异。
Of course, this requires the world to unite, not racial, language and the differences between grades.
当然，这需要全世界的人团结起来，不在有种族，语言，等级的区别。
Of course, this requires the world to unite, not racial, language and the differences between grades.
当然，这需要全世界的人团结起来，不在有种族，语言，等级的区别。
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