In two of the trials, the box was dark for 12 minutes and then illuminated for 48 minutes with either long-wavelength red light or short-wavelength blue light directed at the subjects' corneas. (Light color is determined by its wavelength.) The box was dark in a control experiment.
Students, parents and activists opposed to state control in Newark often say the state's nearly 20-year reign of control shows that the experiment has been a failure.
The last major experiment in Treasury control of currency was the Continental Dollar of 1776-1785.
Although the experiment had no control group, all the patients would have been expected to die without treatment.
Conservatives argue that turning Medicaid into a block-grant program would give states more flexibility to experiment with ways to control costs.
This arrangement amounted to an early experiment in superpower arms control.
For economists such as Robert Mundell and others, who saw huge benefits in shared currencies but had despaired of politicians giving up monetary control, the euro is an exciting experiment.
The results of this experiment contradict four decades of crime-control orthodoxy.
That way you have a randomly selected control and treatment group, just like in a laboratory experiment.
The number of failed cost-control experiments in this country remember the HMO experiment?
As with the field experiment, some participants were placed in a control group, others engaged in activities that stressed individuality (creating personalized nametags, for example), and some focused on the identity of the organization (such as creating a logo for the research lab).
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The experiment in "monetarism" - using the control of the money supply to control inflation - was quite quickly abandoned.
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Registries like .asia and .nu, which each control tens of thousands of Web sites, say they are willing to experiment with the new process, which could help cut their costs by reducing the number of fraudsters who register domain names without paying for them.
During the STS-134 mission, and for the first several months afterward, about 40 members of the AMS team monitored the experiment and analyzed the data it sent down from the Payload Operations Control Center at NASA's Johnson Space Center in Houston.
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This experiment emphasises the democratisation of financial decision-making - giving every community access to and control over public banks.
"We really control all of our destiny now and all of our rights to everything we do now, so we can really experiment, " he said.
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