On: How Do IPhone Users Find New Apps?

[potatolicious]

190 participants, properly selected, can actually give extremely trustworthy results to a fair confidence interval. Sample size isn't everything...

[aaronz3 → potatolicious]

Would you consider 190 participants that participated by clicking on an ad to be properly selected?

[mredbord → aaronz3]

Depends how well the ad was targeted and how well quotas were set and screened for. There's a few good ways to attract survey respondents through ads, and a whole lot of bad ways.