Question

Prayer and meditation You read in a magazine that “nonphysical treatments such as meditation and prayer have been shown to be effective in controlled scientific studies for such ailments as high blood pressure, insomnia, ulcers, and asthma.” Explain in simple language what the article means by “controlled scientific studies.” Why can such studies provide good evidence that meditation is an effective

treatment for high blood pressure?

Short answer

(a) The variation don't exist by chance.

Step-by-step solution

Given Information

“Nonphysical treatments such as meditation and prayer have been shown to be effective in controlled scientific studies for such ailments as high blood pressure, insomnia, ulcers, and asthma.”

Explanation

The observed variations does not exist just by chance. There is no possibility that variation occur. The changes found are important and they can be linked with treatments.