In response, Anderson admitted that rigorous scientific research, generally, finds small effect sizes, but that exposure to violent media was similar to other less-contentious risk factors, including "poverty, substance abuse, and low IQ".
The term MPs more often resort to is one coined by Winston Churchill when he said that the term "slavery" could not be applied in a contentious issue without risking a "terminological inexactitude".
Clint Bolick, the director of the Institute for Justice, a conservative policy institute in Washington, said he believed that Mr. Bush would, in fact, be prepared to spend political capital to name conservative judges, even risking contentious confirmation hearings.
Whether Mr. Chen will risk a contentious debate over the party's charter is unclear, and in any case even the revised formulation would remain objectionable in Beijing.
Ironically, oil-industry executives have so far balked at bidding for these contentious fields, citing the risk of strong indigenous opposition and the limited attractiveness of the contracts.
But the most complex and most publicly contentious intersection between a risk factor and cancer often occurs in the third instance, when a common exposure is associated with a rare form of cancer.
Thus, the effect of low-to-moderate alcohol intake on breast cancer risk remains contentious.
Body weight is the sum of lean and fat mass, and the relative importance of each component to hip fracture risk is contentious [ 10- 14].
As so often nowadays, the message from the parliamentary Conservative Party is sceptical, even suspicious: plenty of Mr Cameron's own MPs do not trust him or his chancellor George Osborne to risk politically-contentious supply side reforms.
The reality of the new N.B.A. season is a testament to a simple but profound truth learned the hard way by 435 players during a contentious lockout: progress depends on risk and sacrifice.
