Which sense is NOT typically used during observation to collect information?

The sense that is not typically used during observation to collect information is taste. In the context of observation, the primary senses utilized are sight, hearing, and touch, which help gather visual data, auditory cues, and physical interactions respectively. Observation in a professional or regulatory setting usually excludes taste, as it is not a standard method for acquiring relevant or actionable information. For instance, professionals often rely on visual analysis of situations, listening to communications or sounds in the environment, and physical touch when assessing conditions or interacting with objects. However, tasting is generally not applicable or appropriate in most observational contexts, especially in fields such as healthcare, safety inspections, or compliance, where the integrity of observations is crucial.