Teacher effects are also much stronger than class-size effects.
Medicines in this class cause psychiatric side effects, potentially including mood changes and depression.
Some commentators have already begun to claim that the case will have significant effects for the entire field of class action law.
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The lens' wide F2 maximum, 9-bladed circular aperture enable beautiful background defocus ('bokeh') effects to rival or exceed professional-class DSLR camera lenses.
Reyataz's selling point is that it appears to work without some of the side effects of other HIV medicines in its class.
As investors see the value of diversification into sustainable tropical forestry on their portfolio then even a small asset allocation into this asset class will have huge positive effects on forest preservation at a time the world needs stable tropical forest holdings most.
Researchers at the Centre for the Economics of Education have used data on earnings, social class and education to distinguish the effects of private schooling from other advantages that students at such schools may enjoy (such as having richer, better-educated parents).
Or is it that macroeconomic policy has not allowed the creation of enough jobs for all, especially at the bottom of the ladder, leading to middle class anxiety which, combined with signaling effects, licensing regulation and what might be termed the Knowledge Economy Ideology, has created a credential arms race?
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The measure has the egalitarian appeal of forcing our representatives to live as the rest of us do, particularly since the effects of not passing a budget are directly causing working class Americans to go without their pay.
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Although the experiment did not test the idea (or, for that matter, the effects of an upgrade to the rodent equivalent of business class), the researchers speculate that it may be this lack of synchrony that caused the deaths of the older animals.
Trovan belongs to a powerful class of antibiotics called quinolones, which can have serious side effects, including liver problems and cartilage and tendon abnormalities.
Heart side effects have been a looming concern for Cox-2 inhibitors, the class of drugs to which Vioxx, Celebrex, Bextra and Arcoxia belong.
Despite the fact that these drugs have been on the market for more than two decades, like any class of drugs that are prescribed for chronic use, their effects over decades of use are unknown.
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Researchers at Merck (nyse: MRK - news - people ) now say that the cardiovascular effects that caused Vioxx to be pulled from the market were part of a "class effect, " which may extend at least two other similar medicines.
Erbitux's rejection thrust Iressa into first place in the race to bring to market a new class of cancer drugs that disrupt cellular growth--without the wretched side effects of chemotherapy.
Quinolones, the only new class of antibiotics introduced over the last four decades, can have neurological and other side effects that make them particularly risky with kids, Kaplan says.
This drug class, known as the Cox-2 inhibitors, stops inflammation without causing the side effects in the stomach or intestine that can result from older drugs like aspirin and ibuprofen.
Still, too many Americans are feeling the effects of the crisis, which is why the President believes Congress must vote this month to extend the middle class tax cuts to ensure that 98 percent of Americans do not see a significant tax hike at the end of the year.
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