A study leaked today by the Chinese government through the state-backed Global Times suggests a large amount of violence and other rough treatment at Foxconn plants. About 50 percent of the 1,736 workers secretly studied allegedly said they had faced some kind of abuse at factories. About 16.4 percent of that was directly from supervisors or other managers.

The same study also claimed that the initial 30 percent raise for workers wasn't directly translating to workers. Some claimed to have only been getting 9.1 percent increases, the report said. Many also said that bonuses were few.

Interns were supposedly exploited as well, working twice as much overtime as is legal and being exempted from medical coverage due to the lack of a contract. Full-time staff have also said health checks aren't as frequent.

Foxconn hadn't responded to the claims, but it has already said it's implementing a second raise and reducing overtime while boosting the amount of entertainment. The effect wouldn't have been reflected in the new study.

The accuracy of the study has been partially into question as a claim from New York's Observer suggested that the Chinese government may be using the study as a vehicle for disputes with Foxconn's practices.

The company's behavior has drawn attention to the manufacturing for Apple, Dell, HP and many other electronics firms. Some have conducted internal audits but have sometimes faced attempts to conceal bad conditions while inspectors are in place.