单亲家庭子女与完整家庭子女在学习成绩方面存在着非常显著的差异。

There is a very remarkable difference in the learning grade between the children who have both mother and father and who just have mother or father.

不完整家庭长大的小孩，犯罪机率将会提高许多。

A child who grew up from an incomplete family has a much higher chance of crime commitment.

父亲缺失的研究使得研究者有可能对父亲缺失家庭儿童和完整家庭儿童的人格特点进行对比，进而推理父亲的作用。

The study of father absence makes it possible to compare personality of children between father absent families and father present ones, from which they can find the effect of father.

（值得注意的是，孩子在已婚的完整家庭的生活过的最好）。

Note that children in in-tact, married homes do best on all these outcomes.