I think we'd be concerned at a putative scientific study in which a scientist is given $700,000 by a drug firm to find a desired result.
From the Times
Wendy D. Manning, a professor of sociology at Bowling Green State University in Ohio and the main author of the association report, said of the wider literature: “Every study has shortcomings, but when you pull them all together, the picture is very clear. There is no evidence that children fare worse in same-sex families.”
More research is needed as society changes, but it cannot guide marriage policy, she said, noting that only about half the children in the United States live with married, biological parents.
Children of single mothers, adopted children, children of divorce and children in poverty all have worse outcomes on average than children in stable middle-class marriages.
“Are we going to hold same-sex parents to a different standard than heterosexuals?” she asked.