March
1999
Meta-Analysis
Reveals the Power of the TM Technique
by
David Orme-Johnson, Ph.D.
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One day early in 1998 I was
walking on air. I received a letter from the prestigious American
Journal of Health Promotion saying that not only had our paper been
accepted for publication, but that it was slated to be the lead article*
in the May/June 1998 issue.
Receiving a letter of
acceptance is always a great joy because it means that months and
sometimes years of work have finally come to fruition. It means that the
reviewers—top researchers and statisticians—have scrutinized the paper
and concluded that it is a valid piece of knowledge. It will go out to
thousands of scientists, doctors, business people, and policy makers
around the world. And being the lead article means highest visibility.
But publication of this paper was
particularly exciting because its scope was huge—an overview of a total
of 597 studies involving an estimated 20,000 subjects. It showed the
Transcendental Meditation technique to be far superior to all other forms
of meditation and relaxation in the areas of anxiety reduction, blood
pressure reduction, physiological relaxation, self-actualization, improved
psychological outcomes, and decreased use of cigarettes, alcohol, and
drugs. And yet the paper was only three pages long!
How did we pack so much information into
such a small space? The key was a technique called meta-analysis.
Meta-analysis allows one to compare a wide variety of research designs and
measurement scales by creating a standardized measure that can be applied
to all the studies. It's like creating a "common denominator"
for the research results from many different universities and research
institutions. Then all the research on different techniques can be
directly compared and grand conclusions can be drawn.
Dr. Ken Walton of the Department of
Chemistry at Maharishi University of Management and I decided to collect
all the meta-analyses on the TM technique and other meditation and
relaxation techniques together and consolidate these findings into one
short paper.
The first meta-analysis on the
Transcendental Meditation technique appeared in 1981 by Dr. Philip
Ferguson. Dr. Ferguson found that the Transcendental Meditation technique
improved psychological health significantly more than Zen meditation or
relaxation response techniques.
Then in 1987, Dr. Michael Dillbeck and I
published a meta-analysis in the American Psychologist, showing
that the Transcendental Meditation technique produces a greater reduction
of stress parameters and deep rest than does ordinary rest.
In 1989, Dr. Kenneth Eppley at Stanford
University and colleagues published a meta-analysis in the Journal of
Clinical Psychology on 146 studies showing that the Transcendental
Meditation technique was far superior to other techniques in reducing
trait anxiety. The beauty of this study is that it cross-validates the
physiological results. Research in two domains, physiology and psychology,
all pointed to the same conclusions. This is also a wonderful study
because it shows that the results are 1) upheld by the strongest
experimental designs, 2) get stronger the longer one meditates, and 3) are
valid no matter who does the research or where it is published.
For blood pressure, we added the results
of Dr. Robert Schneider and Dr. Charles "Skip" Alexander's study
of hypertension in Oakland to a meta-analysis that came out in the Annals
of Internal Medicine. While Schneider and Alexander's study showing
that the TM technique is effective in reducing hypertension, the
meta-analysis found that other techniques are simply not effective. In
fact, the Sixth Joint National Committee on the Detection, Evaluation and
Treatment of High Blood Pressure concluded that this research on the TM
technique is the only properly controlled trial of stress reduction
that has shown effectiveness in reducing blood pressure among people with
hypertension.
The other four meta-analyses we used
were the work of Skip, Maxwell Rainforth, and colleagues. Their 1991 paper
in the Journal of Social Behavior and Personality shows that the
Transcendental Meditation technique is far superior to other meditation
and relaxation technique in increasing self-actualization because it
provides the experience of transcendental consciousness. Their 1994 paper
in the Alcoholism Treatment Quarterly included three meta-analyses
showing that the TM technique is highly effective in reducing cigarette,
alcohol, and drug abuse, indicating the power of the technique in
normalizing physiological and psychological imbalances.
When we consider the billions of dollars
spent every year on tranquilizers and antihypertensive medication, and add
the toll to the national budget that cigarettes, alcohol and drug abuse
take, the clear conclusion from these meta-analyses is that the TM program
is not only highly effective—it’s the biggest bargain in America!
*Orme-Johnson DW, Walton KG. All
Approaches to Preventing and Reversing the Effects of Stress Are Not the
Same. American Journal of Health Promotion 1998;12(5):297-299.
David Orme-Johnson, Ph.D., is the
founding chairman of the Psychology Department at Maharishi University of
Management. He has published over 50 papers and is an internationally
recognized expert on the effects meditation.
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