Call screening is a practice in which many people engage whereby they listen to an incoming message on their answering machine or look on their caller ID to see who is calling before deciding whether or not to answer the call. This behavior is thought to negatively affect survey response rates. Over time, respondents have become increasingly unwilling to participate in surveys or even answer unsolicited telephone calls. This desire for privacy has resulted in legislation such as do-not-call lists and the use of a variety of technological barriers such as answering machines, caller ID, and call blocking to screen incoming calls. These screening devices allow individuals to determine which calls they will answer, making it more difficult for researchers to contact them. Further, individuals ...
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