After an average of five weeks, 51 % of the students in the blended program were eligible to advance, compared to merely 22 % of the students
in control groups.
All of the studies included
control groups of people who did get enough sleep — 7 to 12 hours in bed at night.
That was compared
with control groups receiving only 13 percent to 17 percent from fat, with carbohydrate calories making up the bulk of the difference.
The other groups were either given no surgery or «sham» surgery so they could be used as
control groups for comparison to the first.
The second group engaged in low - intensity aerobic exercise for the same time period, while a third
control group did not exercise.
In addition, 20 recordings from healthy people were used
as control group data to validate the developed algorithm.
An intention - to - treat approach was used to compare intervention and
control groups on study outcomes.
The outcome measures showed that parents of students in the experimental group rated their children as exhibiting significantly less anxiety / depression problems compared to ratings from parents of
control group students.
Intervention group children showed significant reductions in conduct problems, compared with
control group children, according to the child behavior inventory test.
Rather, voucher users are exercising private school choice,
while control group members are exercising a small amount of private school choice and a substantial amount of public school choice.
After completing the program, intervention group mothers significantly increased use of positive discipline as compared to
control group mothers.
More specifically, effect sizes can be interpreted as the new percentile standing of the average
control group member if they had been in the treatment group.
The yoga and treatment as usual
control groups also received «standard medical care» during the intervention.
Additionally there were five
control groups which received their «regular» history lessons on another topic altogether.
Participating parents with children aged 6 to 11 were randomly assigned to a treatment group (n = 44) or a no -
treatment control group (n = 31).
But more established
gun control groups soon got in touch, offering to connect him to others and, eventually, to pick up expenses that included lighting, sound equipment and stages.
In the
untreated control group, the animals died; in the treated group, 90 percent rejected their tumors and survived.
The
active control group completed different computer - based cognitive training tasks than the experimental group, but did the same number of sessions of the same amount of time as the experimental group.
The placebo - taking
control group took 32 % longer than they did before undergoing the knee - replacement surgery.
The best way to compensate for this limitation is to assign students randomly to experimental and
control groups whose only substantive difference is whether they are offered a voucher.
Would that because it is likely if the two companies are members of
different controlled groups the medical companies would also be different?
Control group youth reported no significant changes in trauma symptoms and related behaviors over the time period covered by the study as measured by any of the three scales.
Using a design with a randomly
assigned control group, results show that tutoring sessions produced clear effects.
Individual first - grade classrooms were randomly assigned to intervention or internal
control groups within the intervention schools.
The teachers were assigned to treatment and
control groups based on geographic representation, and an attempt was made to equally distribute teachers according to years of teaching experience.
But this study included what's called a
passive control group — a group that did not receive any treatment at all.
Further, in the
clinical control group, loneliness was positively related to parent - rated social problems and social anxiety and negatively associated with parent - rated social skills.