We need evidence that they are more effective than hidden cameras.
Evidence, Why do We Need Evidence?
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Alternative therapies, such as music and other non-pharmacologic solutions, may also work, although we need more evidence-based research to know for sure.
We would need more evidence that more than these six key, target high-risk groups that are prioritized can benefit.
If we want to persuade someone or get them to accept new evidence, we need to set the stage by appealing to emotion first, facts and logic second.
What we need to see is evidence of supply reduction, which has been slow to come.
"We need to develop an evidence based approach to psychological therapies which allows us to identify what is working well, and build on it, " he said in advance of Friday's conference.
This is more evidence that we need to prepare for long term care costs.
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For evidence of this we need look no further that the December 25-26 visit of Prime Minister Noda to Beijing.
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"We need to stress there is no evidence yet of ramps which may have been needed to launch newly constructed ships into the waters of the hexagonal basin, " Prof Keay said.
To make the debate on NHS reform comprehensible, and the claims testable against evidence, what we need is some form of baseline scenario that explains the level of productivity improvement needed to keep health costs below double their present cost.
For this, we need to use every resource as best we can and draw on all available evidence.
The evidence tells us that we need to learn from some early lessons if smart grids are to make a real impact on emissions.
"This is a contentious issue and if we are going to deliver a lasting solution for the UK, we need to move forward on an agreed evidence base and, if possible, a high degree of political consensus, " said the prime minister's official spokesman.
In other words, we would need to be able to demonstrate hard evidence of non-compliance and non-cooperation.
What more compelling evidence of the problem do we need than to note that General Motors now spends more for health care of its employees and retirees than for the material required to manufacture its products - steel.
Before we decide how many points would-be immigrants need to come to Britain, we'll be looking at independent evidence from the Migration Impacts Forum on these wider impacts.
However, we do need to stick with the rules of scientific evidence in working out which one, if any, of these it is that solves the problem.
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We need to be able to see and hear the evidence, and let a jury decide whether Zimmerman is guilty as charged or whether he acted in self-defense.
And they will be presiding, err, providing the evidence on promotions and advertising as to whether we need to introduce regulation.
We need to address all of the variables and come up with smart evidence-based policies.
We may now have a number of ideas about its possible use but we need also to explore the social context, that is, what other evidence is available for understanding the society which produced and used the figurine.
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Any trial can give an anomalous result and we need to be careful about jumping to a new position with each new piece of evidence.
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Interviews and statistical evidence present some surprising answers, but before digging into the reasons, we need some context.
"However, there are a range of factors we need to consider in making a decision on badger control, including public opinion, scientific evidence, animal health and the impact on farming communities, " he said.
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"I think we do need to enforce a warrant requirement for drones in circumstances where they're collecting criminal evidence, " Stepanovich said.
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"If it is actually going on, it is a serious matter and it does need investigation and I of course will want to see it properly investigated, but we want some evidence, " he said.
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