Original sentence: Dowsing, sometimes called divining or water witching, is a generic term for practices which proponents claim empower them to find water, metals, gem stones and hidden objects over a piece of land or a map, usually through fluctuations of apparatus including a Y-shaped twig, rods or pendulum).The original may have been for divination purposes - to divine the will of the gods, to foretell the future and divine guilt in trials
Edited sentence: A well-designed study would have blinded the dowser and the experimenter.Dowsing, also called divining or water witching, is a generic term for practices which proponents claim empower them to find water, metals, gem stones and hidden objects, usually by fluctuations of some apparatus (typically a Y-shaped twig, rod, rods, or pendulum) over a piece of land or a map.Few of them have been carried out by qualified scientists.For example, many of the most famous tests have been carried out by James Randi, who has no formal scientific training.Furthermore, any study must be carefully analyzed for statistical significance before conclusions can be drawn.Power of the Pendulum by Thomas Charles Lethbridge.The majority were mostly informal and did not meet scientific standards.The original use seems to have been for divination purposes - to divine the will of the gods, to foretell the future and divine guilt in trials.There have been many investigations of the veracity of dowsing