Rather than a formal interview, AskWonder researchers are required to do a "mock" response to a client's question. Mine, for example, was in regards to "How many autonomous cars will be on American roads by 2040?" It's basically, what you will be doing for them, so it's an opportunity to show of your skills.

It contains several online exercises that reflect what the job entails. There is a part that tests one's prowess in English grammar, and then other case study questions that mirror what the actual job involves.