During periods when the size of a group of participants in the TM Sidhi Programme in the USA exceeded the square root of one per cent of the national populations of the USA and Canada together, there was a significant improvement in a comprehensive quality of life index comprising behavioural variables (reduction in the total of homicides, suicides, motor vehicle fatalities, and cigarette consumption), controlling for changes in national economic trends, such as unemployment.Ref.Proceedings of the Social Statistics Section of the American Statistical Association (Alexandria, Virginia: American Statistical Association): 38–43, 1996

During periods when the size of a group of participants in the TM Sidhi Programme exceeded the square root of one per cent of the national population, there was a significant improvement in a comprehensive quality of life index comprising behavioural variables (reduction in the total of homicides, suicides, motor vehicle fatalities, deaths due to other accidents, notifiable diseases, alcohol consumption, and cigarette consumption), controlling for changes in national economic trends, such as unemployment.Ref.Proceedings of the Social Statistics Section of the American Statistical Association (Alexandria, Virginia: American Statistical Association): 38–43, 1996

Time series transfer function analysis indicated that monthly rates of traffic fatalities, crime, and unemployment decreased significantly after a large group of participants in the TM Sidhi Programme was established at Maharishi International University (now Maharishi University of Management) in the state of Iowa, USA.Ref. Abstracts International 51(12): 6155B, 1991

Quality of life improved in the State of Rhode Island, in comparison to a control state, during periods in which groups of participants in the TM Sidhi Programme were established. Quality of life was measured by improvement in a comprehensive index that includes crime, auto accidents, motor vehicle fatalities, deaths due to other causes, alcoholic beverage consumption, cigarette consumption, unemployment, and pollution.Ref.The Journal of Mind and Behavior  8: 67–104, 1987

In a study among 42 employees that were taught the Transcendental Meditation technique, it turned out that there was less of a desire to change jobs than compared to a control group.Ref.Academy of Management Journal 17: 362-368, 1974