Answer: Unobtrusive measures
Step-by-step explanation:
Unobtrusive measures of data gathering is a measure by which the researcher do not intrude the research context. Unobtrusive measure reduces the influence of a researcher on the data collected. It is an indirect measure of collecting data and the researcher makes no direct contact with the subject of study. The data collected in an organization by unobtrusive measures are readily available because they are gathered during the normal course of running the organization. This data collection can be done through the use of documentary record, traces and non-participative observations. Data to be collected are observed from a distance.