Select a representative sample: Selecting a representative sample from your sampling frame is also important for collecting valid and reliable data about the population of interest. For example, if you are sampling from a large database of customer email addresses and only wanted one response per household, you might want to cross-check each email address against mailing addresses and remove duplicates to avoid some households having a greater probability of selection. Then you would likely draw a random sample from the remaining list of email addresses.
Everyone has an opinion, well now Opinion Plus will convert your opinion into cash in your pocket thanks to its intuitive and easy to use paid survey site. It scores highly because the surveys are tailored to each individual user, and yet they still send regular invites so you won’t be waiting around for something to do or, even worse, filling in surveys that you aren’t eligible for and won’t get paid for. They send payments via PayPal only, but their payout rate is among the best that we’ve seen.
Amazon gift cards and PayPal are obviously popular choices, so naturally like most sites MySurvey had those. These guys did not stop there though. At the time of writing (I double checked) they also offer various sweepstakes, gift cards to restaurants, you can donate to charities like UNICEF through them, they have iTune gift cards, their very own merchandising products and also Starbucks, Walmart and Tango gift cards among many more options!
CashCrate is a great site pairing traditional surveys with a range of unique deals that can help you make money online. After signing up with a few details and filling in a brief survey for your profile, so CashCrate can identify some basic demographics, you’ll be awarded your first 25 cents and be on your way to greater riches! The best deals and offers are available for US users, and the minimum earnings to have a payout from CashCrate is $20 – which they pay you and their six million users as cash.
Toluna. Unlike many other sites, Toluna lets users pick the topics of their surveys, such as electronics or travel, which made the work more interesting. However, this perk didn’t make up for its low pay. Upon converting points to cash, we earned only 71 cents per hour — one of the lowest rates of all the sites we tested. Our five hours’ worth of points weren’t nearly enough to redeem the cheapest gift cards. Learn more in our Toluna review.