I suggest randomising in two blocks: people who strongly prefer video calls vs people who strongly prefer text, with abstainers assigned to either. Should prevent one obvious failure mode, people having an incompatible medium.
Thanks for your suggestion—we are planning on incorporating it into our beta-run.
I suggest randomising in two blocks: people who strongly prefer video calls vs people who strongly prefer text, with abstainers assigned to either. Should prevent one obvious failure mode, people having an incompatible medium.
Thanks for your suggestion—we are planning on incorporating it into our beta-run.