This topic always keeps popping in the forum, Well in choosing a good ICO all you need to do is research and read all information regarding it because researching a ICO before engaging with investing, Your money is at stake here so you need to be sure in every decisions you make and try to know more about the developer, services, And the Products that will offer by this ICO.
Some newbies like me just rush into ICOs without proper research. Most local crypto groups mislead people by hyping a project and making people to invest. The gullible ones fall to this because some one who is grounded and knows what he or she is looking out for in a project will do proper research before investing.
if you don't want to fall like them, you should have their own criteria in determining which project you will support. and not only believe what others say. a lot of reading analysis in this forum as a reference