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Modality may refer to:
- Modality (theology), the organization and structure of the church, as distinct from sodality or parachurch organizations
- In music, the subject concerning certain diatonic scales known as musical modes (e.g., Ionian)
- Modalities (sociology), a concept in Anthony Giddens structuration theory.
- Modality (semiotics), the channel by which signs are transmitted (oral, gesture, written)
- Linguistic modality, covering expressions of how the world might be and should be, including expressions of necessity, permissibility and probability, and negations of these
- Sensory modality, widely used in physiotherapy like stimulus modality, a type of physical phenomenon that one can sense, such as temperature and sound
- In psychotherapy, a method of therapeutic approach
- In medical imaging, any of the various types of equipment or probes used to acquire images of the body, such as radiography, ultrasound and magnetic resonance imaging
Science and technology
- Transportation modality, a mode of transport
- Modal logic, a form of logic which distinguishes between (logically) "necessary truths" and "contingent truths"
- Modality (human-computer interaction), a path of communication between the human and the computer, such as vision or touch
- Mode (computer interface)
- In advance fee fraud (Nigerian 419 scams), the method of funds transfers; often used as a key-word in scam baiting
- Modal realism, a view that all possible worlds are as real as the actual world
- Modalities (trade negotiations), the formulas, targets, or specific measures used to accomplish objectives in trade negotiations
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