Many researchers attribute the difference to the social and economic support marriage provides.
Some researchers attribute the growing number of women having affairs to greater opportunity.
Some researchers have attributed the problems to a lack of oversight.
The researchers attributed the differences to access to computers at home.
The researchers attribute the low performance to a variety of cultural and academic causes.
The researchers attributed the effect to hormones in milk; other studies have had similar findings.
Some researchers have attributed the change exclusively to the painter's growing say in editorial policy.
Some researchers have attributed this rise to the baby boomer generation.
Researchers attributed this to poverty, language barriers, police politics and the lack of political representation.
Some researchers attribute the higher rates in former Soviet countries to be a remnant of recent political instability.