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Table 1 Description of MMSI-2-R dimensions and reliability coefficients

From: Pseudoscientific beliefs and psychopathological risks increase after COVID-19 social quarantine

AB Complete denomination What do the MMSI-2-R scales assess? Cronbach’s
alpha
McDonald’s
omega
Pva Visual and Auditory Perception Perceptual disturbances whose sensory object is captured visually and auditorily (e.g., seeing ghosts, inexplicable shadows, and hearing voices of deceased beings). 0.987** 0.987**
Pc Cenesthetic Perception Perceptual disturbances related to depersonalization and derealization (e.g., not recognizing places that are habitual for the patient and experiencing the sensation of leaving one’s own body as an external observer). 0.988** 0.99**
Po Olfactory Perception Perceptual disturbances whose sensory object is captured through smell (e.g., perceiving odors that other people do not perceive or perceiving odors far from the place where the patient is). 0.984** 0.985**
Pt Touch Perception Perceptual disturbances whose sensory object is captured using touch or supposed physical contact (e.g., believing that a deceased being has touched you or feeling that something unknown has paralyzed your body). 0.996** 0.996**
Pg Taste Perception Perceptual changes related to the taste of food (e.g., perceiving more intense flavors than usual or feeling an unpleasant or “rotten” taste in food that is actually in a good condition). 0.983** 0.984**
Et Paranoid Experience Perceptual disturbances related to the belief that supernatural forces seek to control us (e.g., feel the presence of energies or spirits that want to harm you). 0.949** 0.949**
  1. AB abbreviation of the scales’ denomination. Abbreviations do not coincide with the complete denominations as they come from the Spanish version of the MMSI-2-R. ** > 0.8 (reliability coefficients are excellent)