question #3 Sahih Muslim 1159g, Book 13, Hadith 241 : What criteria are used to determine the trustworthiness of a hadith narrator?

This hadith has been narrated by Ibn Juraij with the same chain of transmitters. Imam Muslim has narrated this hadith on the authority of Abu ‘Abbas al-Sa’ib b. Farrukh and he was a trustworthy and reliable (narrator) among the people of Mecca.