The source of bias in the face-to-face sampling method is"employees are less likely to tell their manager they are unhappy with their job."
Face-to-face surveys, also known as F2F surveys, are a type of data collection that involves the study sample in order to conduct the interview in-person and observe the participants' behavior and responses in order to gather more data.
Many researchers favor this form of data collecting because it enables them to see the context in which their research population or sample functions and, in doing so, allows them to more thoroughly analyze their replies, for example while conducting field research.
Some advantages of face-to-face survey are-
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