credibility by developing and advancing in their best audit practices, that can be
described by auditor’s value to believe and care, respect for humanity, trust in auditorclient
relationship, learn and adhere to code of ethics (Carpenter and Platt, 1987).
Particularly, the interaction between auditors and clients has an effect on audit
independence, and audit judgment. Each auditor has mental attitude in making decision
and practiced different judgment and also has gained various performance. Thus, the
relationship is needed to be investigated.
In addition, there has been no known previous empirical research investigating
the effect of best audit practices on audit credibility for auditors in Thailand. The
sample of this research is chosen from the Federation of Accounting Professions under
the Royal Patronage of His Majesty the King database as of April 26, 2010. Currently,
the data base shows 7,902 CPAs listed members. The samples were selected by simple
random sampling using tables of random numbers followed by Taro Yamane equation