Researchers in Germany randomly assigned participants to a mindfulness intervention group or a control group.

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Check out the Seniors Intervention Group website at seniorsinterventiongroup.org and see how to help.

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Forming the Seniors Intervention Group was a natural offshoot of Hudson's job as community relations officer for his department.

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Those in the mindfulness intervention group participated in mindfulness meditation and daily exercises designed to cultivate an accepting, non-judgmental attitude to momentary experiences.

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The same was true of the 1990 intervention by a group of West African countries to stop mass killing in Liberia.

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Recounting a recent intervention by his group, he said the woman was too traumatized and disoriented by what was occurring to register the group's presence.

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The lower intensity of dietary intervention for the control group during the first few years might have caused a bias toward a benefit in the two Mediterranean-diet groups, since the participants in these two groups received a more intensive intervention during that time.

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Seven of the 23 acted as a control group, and received no intervention from Dr Bolli after the surgery.

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These are the gold standard randomized control trials or intervention studies, in which a control group consuming soda is monitored for weight gain over time against a group which stops drinking soda (and all other dietary and lifestyle factors are controlled for).

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The intervention was provided to them free by the group Autism Partnership, or AP.

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"They actually figured out a good intervention there, which was to break apart this central group of girls that were essentially promoting the spread of this norm of a heightened sexuality at a very young age, " Fowler said.

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Estruch says that the study has some limitations, most notably that the low-fat diet group may not have had as intense an intervention during the first part of the study as the Mediterranean groups did, potentially biasing the results in favor of the Mediterranean diet.

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But Donovan's late intervention delivered a deserved victory, which pushed England into second place in Group C on goals scored following their 1-0 victory over Slovenia.

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The more likely conclusion is that dropouts in the low sugar group returned to old beverage consumption habits in the interim, thereby muddling the intervention effect on the 18-month results.

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