Respuesta :

Their reliability and validity are open to question, and often they do not provide exact information required by a sociologist.
TylerJoseph21
You get another perspective of the same event, so you can have another person's prospective, not being in the event, and just guessing based on what they've heard, not actually being part of the event.
Hope this helps!
Stay smart,
~{Dunsforhands}

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