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Module 4 - Introduction to Performance Audit_4B

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eliability may include corroboration, verification, validation, and obtaining additional<br />

information. 61<br />

There are different ways of gathering information. Substantive procedures defined by audit<br />

standards (e.g., ISA 330) 62 generally include the following:<br />

<br />

<br />

<br />

<br />

<br />

<br />

<br />

Inspection.<br />

Observation.<br />

External confirmation.<br />

Recalculation.<br />

Reperformance.<br />

Analytical procedures (including the use of computer assisted audit <strong>to</strong>ols CAATs).<br />

Inquiry.<br />

The IDI handbook provides an alternative and broader way of considering data-gathering<br />

methods as illustrated below.<br />

Direct<br />

observations<br />

and<br />

inspection<br />

Surveys<br />

Site visits<br />

File reviews<br />

and<br />

structured<br />

observations<br />

Small group<br />

methods<br />

(e.g., focus<br />

groups)<br />

Document<br />

collection<br />

Secondary<br />

data<br />

Interview<br />

Data-<br />

Gathering<br />

Case<br />

studies<br />

Data-Gathering Methods for <strong>Performance</strong> <strong>Audit</strong>s (based on <strong>Performance</strong> <strong>Audit</strong> ISSAI<br />

Implementation Handbook) 63<br />

Regardless of the methods used, the audi<strong>to</strong>r must ensure evidence is sufficient, reliable, and<br />

relevant. Evidence gathering is considered in more detail in section 4C.1 as a major part of<br />

fieldwork.<br />

61<br />

See Rauum and Morgan, <strong>Performance</strong> <strong>Audit</strong>ing: A Measurement Approach, The Internal<br />

<strong>Audit</strong> Research Foundation, 2009.<br />

62<br />

See ISA 330, The Audi<strong>to</strong>r’s Response <strong>to</strong> Assessed Risks, IFAC, 2013.<br />

63<br />

See <strong>Performance</strong> <strong>Audit</strong> ISSAI Implementation Handbook, IDI, 2021.<br />

38

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