While, historically, qualitative methods have attempted to tease out subjective interpretations, quantitative survey methods also attempt to capture individual subjectivities.
Computer scientists have devised a low-cost way to surreptitiously tease out key location details of people carrying cellphones that are connected to older carrier networks.
The latter can create significant variations in carbon-14 production rates, although the changes of the carbon cycle can make these effects difficult to tease out.
In this view, historians do their best to tease out later editorial additions (itself a very difficult task) and skeptically view accounts of miracles, leaving behind a reliable historical text.