Not exactly. Superstitions (signs, luck rituals) are just one example of that. A high SBS score indicates that your general worldview includes a metaphysical dimension: belief in a soul, a higher intelligence, or existence after death.
Generally, no. However, exceptions occur if a person does not identify with a specific religion but believes in "fate," "karma," or that consciousness can exist independently of the biological body.
It helps us understand the cognitive mechanisms of the human mind. Researchers investigate how belief helps people cope with death anxiety, its influence on social cohesion, and which brain regions are responsible for intuitive perception.