Gay parents “tend to be more motivated，more committed than heterosexual parents on average，because they chose to be

　　parents，” said Abbie Goldberg，a psychologist at Clark University who researches gay and lesbian parenting.Gays and lesbians rarely become parents by accident，compared with an almost 50 percent accidental pregnancy rate among heterosexuals，Goldberg said.“That translates to greater commitment on average and more involvement.”

　　And while research indicates that kids of gay parents show few differences in achievement，mental health，social functioning and other measures，these kids may have the advantage of open­mindedness，tolerance and role models for equal relationships，according to some research.Not only that，but gays and lesbians are likely to provide homes for difficult­to­place children in the foster system，studies show.

　　Children of gay parents also show less care about gender difference.That's likely because gays and lesbians tend to have more equal relationships than straight couples，Goldberg said.

　　“Men and women felt like they were free to pursue a wide range of interests，” Goldberg said.“Nobody was telling them，‘Oh，you can't do that，that's a boy thing，' or ‘That's a girl thing.'”

　　【语篇导读】　本文是一篇议论文，论述了同性婚姻家庭中成长的孩子对其性格的形成不利，而异性婚姻家庭中成长的孩子健全。

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