These can be checked more frequently to see if there is a response, but these tend to be tricky to measure and interpret, and are thus sometimes less accurate.
Umchamo negazi zizinto ezinokuhlolwa rhoqo ukujonga ukuba ngaba ikhona kusini na impendulo kunyango kodwa ngamanye amaxesha kuyaqhatha ukulinganisa nokuchaza ezi mvavanyo nto leyo izenza zingachaneki ngqo ngamanye amaxesha.