Targeting matters most. Surveying the wrong audience can lead to misleading data and poor decisions, even if the questions themselves are solid. Weighting shapes reality. Overrepresenting certain ...

Wondering how many people in the United States have a smartphone? If you poll 20 people on the street, your survey won’t be representative of the entire American population. But if you just want to ...

Every day readers download thousands of eBooks for free. Legally. While many of these are older, out-of-print or public domain titles, giving away books for free has also become a favored marketing ...