control group *

Also, few studies in this area use a control group.

The control group did not have the five practice problems.

No children in the control group reached the same level, he said.

No blood would be required from the children for the control group study, he says.

However, this large effect size was only found for studies without a control group.

And then the test can become hard to study, because nobody wants to be in the control group.

This was the same rate as that of a control group.

These patients were compared with a control group of 166 people.

This type of study usually does not have a control group.

The remaining 24 children were part of a control group.

Only 4 percent of the children in the control group lost weight and kept it off.

Only 2 percent of the children in the control group reached that level.

By contrast, 13 percent of a control group did not work at all.

The study began in 1932 with 623 subjects, including the control group, he said.

A. Subtle things are very hard to see without a control group.

This compared with 175 of the 772 patients in the control group, or 23 percent.

Families in the control group were able to receive any services available to them.

The children were organized into 4 groups and a control group.

Finally, those in a control group sat and read quietly for 45 minutes.

A control group was not given any knowledge of a reward.

Four of the students served as a control group and worked on Friday.

The subject's memory was better than the control group following the treatment.

But the study, while intriguing, was also small and did not include a control group.

Participants at the meeting suggested they might be used as the control group in such studies.

By this I mean something more than just the obvious point, which is that history has no control group.