Průzkum veřejného mínění o lidských vlastnostech – Koktavost (POSHA–S)[Public Opinion Survey of Human Attributes–Stuttering (POSHA–S)]Translated into Czech by Anežka Chlupáčková The Public Opinion Survey of Human Attributes–Stuttering (POSHA–S) is an evidence-based survey instrument designed to measure explicit public attitudes toward stuttering. The instrument has undergone extensive research to assure that it is valid (i.e., measures what it is intended to measure), is reliable (i.e., measur