However, correlation doesn’t equal causation, and there are probably a number of other differences between dog and cat owners that account for some of the differences. The General Social Survey data show that dog owners, for instance, are more likely to be married and own their own homes than cat owners, both factors known to affect happiness and life satisfaction.
然而,相关性并不等于因果关系,养狗人士与养猫人士之间的幸福感差异可能还有其他方面的原因。例如,调查显示,与养猫人士相比,养狗人士已婚并拥有自己住房的可能性较大。一般认为,这两个因素都会影响幸福感和生活满意度。
causation [kɔː'zeɪʃ(ə)n]:n.原因;因果关系
Previous research on this topic yielded mixed results. In 2006, the Pew Research Center found no significant differences in happiness between pet owners and non-pet owners, or cat and dog owners. However, that survey did not distinguish between people who owned “only” a dog or a cat, and those who owned “either” a dog or a cat, potentially muddying the distinctions between exclusive dog and cat owners.
此前关于这一问题的研究得出了复杂的结果。2006年,皮尤研究中心发现,养宠物的人和不养宠物的人,以及养狗人士和养猫人士之间的幸福感没有明显不同。然而,该项研究没有区分“只有”一只狗或一只猫,以及养了一只狗或者一只猫的人们,这可能会把只养了狗和只养了猫的人们之间的区别搞混。
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