This is sure a thought out of the closet. A recent study finds that children of same-sex parents experience 'no difference' on a range of social and behavioural outcomes compared to children of heterosexual or single parents.
"As same-sex marriage has been debated in courts across the country, there has been the lingering question about the effects of same-sex parenting on children," said lead author Jimi Adams, an associate professor in the department of health and behavioural studies at University of Colorado, Denver.
"I wanted to analyse the research from the past decades to determine if there was consensus amongst researchers about that effect. I found overwhelming evidence that scientists agree that there is no negative impact on children of same-sex couples."
The study that appeared in Social Science Research provides evidence against the idea that children of same-sex couples suffer disadvantages.
The research assumes significance as it comes at a time when the US Supreme Court is determining whether the Constitution requires marriage equality.
By examining thousands of peer-reviewed articles referencing same-sex parenting for patterns in citation of work by other researchers, Adams found that over the time, the articles began to cite the same research which supported the 'no difference' conclusion.
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To determine if and when scientific consensus had been achieved, Adams systematically examined citation networks to find shifts in content.
By 1990, he found a developing consensus among researchers about the effect of same-sex parenting and by 2000 he discovered that researchers had reached 'overwhelming' consensus on the issue.
"The approach can provide courts with an accessible and objective measure of scientific consensus for application to a range of legal questions."