From the recent Q&A on Twitter with Mars One, here's a synopsis of the questions surrounding the selection process and training:
Q: where will the full time employees/ trainees of Mars One live full time? Will they be able 2 bring their families? A: We have not yet selected the training location. Like any other employee, crew members can take their family Q: If a candidate is successful to round 3, how much notice will they be given to leave their current job and enter training? A: Candidates will have several months: training will also involve moving to the country where training takes place Q: At what point will the reality TV portion of the project begin? A: We expect the documentary series on the selection process to start in spring 2015 Q: How many regions for interviews... 5, 1 per continent ? A: This is still to be decided. We will make sure everyone can easily participate in the interview round Q: Do you already know where the first simulation outpost will be? A: Having discussions about potential locations, no final decision yet. We welcome proposals Q: How many of the #705 candidates will make it to the next round? A: There isn't a determined number. The actual total will depend on the number of qualified candidates among the 705 Q: Can you offer a rough timescale for Rounds 2-4 of astronaut selection? A: The interviews will happen this year. Round 3 early 2015. We hope to select the 1st teams to train by end 2015