Does anyone know if there are any real serious studies about the effectiveness of gifted programs in children to actually identify gifted kids and provide them

Does anyone know if there are any real serious studies about the effectiveness of gifted programs in children to actually identify gifted kids and provide them with appropriate tools that justify giving them to gifted children only and not to disseminate to the entire population of children? Despite this discussion having >70 comments in it a lot of it seems to be intuition, anecdotes and gut feel without actual data behind them.