Stratified random samples are often confused with which of the following nonprobability sampling techniques?

What is the essential meaning of the generally accepted auditing standard that requires the auditor to be independent?

A) The auditor must be without bias with respect to the auditee. B) The auditor must adopt a critical attitude during the audit. C) The auditor's sole obligation is to third parties. D) The auditor may have a direct ownership interest in his auditee's business if it is not material.

Which one of the following research techniques best allows tracking opinion change over time?

A. Secondary analysis D. Personal contacts B. Panel study E. Key informants C. Advisory committees