ScienceDaily? Yep, ScienceDaily:
To find out how people rate the effectiveness of magical rituals, Legare and graduate student André Souza conducted a study in Brazil, a country suffused with rituals called simpatias. Used for solving problems as varied as quitting smoking, curing asthma and warding off bad luck, simpatias are formulaic rituals that involve various steps and repetition.
The psychologists presented 162 Brazilian respondents several versions of these rituals. Each was modified with different characteristics, such as repetition of procedures, number of steps, number of items used, and the presence of religious icons.
As part of the study, Legare asked the respondents to rate the effectiveness of each ritual. According to the findings, three elements of the simpatias had the biggest influence: number of steps, repetition of procedures and a specified time.
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