Unobtrusive research (or unobtrusive measures) is a method of data collection used primarily in the social sciences. The term unobtrusive measures was coined by Webb, Campbell, Schwartz, & Sechrest in a 1966 book titled Unobtrusive Measures: Nonreactive Research in the Social Sciences.
Unobtrusive research (or unobtrusive measures) is a method of data collection used primarily in the social sciences. The term unobtrusive measures was coined by Webb, Campbell, Schwartz, & Sechrest in a 1966 book titled Unobtrusive Measures: Nonreactive Research in the Social Sciences.
Source: Wikipedia "Unobtrusive research" · CC BY-SA 4.0
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