As telephone user have shifted from landlines to cell phones, it has increase which threat to survey studies?
A) Internal validity
B) External validity
C) Reliability
D) All of the above

Question

Quizplus · Accepted Answer

The shift from landlines to cell phones affects external validity because it can lead to non-representative samples, as certain demographics may be underrepresented if surveys rely on landline numbers.

As Telephone User Have Shifted from Landlines to Cell Phones