ACCY 405 Chap.7 Evidence-Driven, Belief-Based Risk Assessment
Evidence-Driven, Belief-Based Risk Assessment
Two ways to describe auditing
The course objectives put two descriptions side by side: auditing as a recursive, professional-judgment process of evidence-driven, belief-based risk assessment, or auditing as rituals and routines that relieve discomfort about the accuracy of financial information.
The schedule's sessions on risk assessment, the audit risk model, materiality and professional judgment, read with the KPMG monograph, argue for the first.
The audit risk vocabulary
Audit risk is the risk of an inappropriate opinion on materially misstated statements.
It depends on the risk of material misstatement, which has inherent risk and control risk as components, and on detection risk, the risk the auditor fails to find a misstatement that could be material alone or in aggregate.
In its compensatory form the model lets a high control risk be offset by lower planned detection risk and more substantive testing; the monograph accepts the arithmetic but argues that evidence types should be used as complements rather than traded off.
Beliefs, knowledge and reasonable assurance
The monograph separates knowledge, which requires belief, justification and truth, from belief, which can be more or less justified.
Reasonable assurance sits at the level of the auditor's particularly well-justified beliefs: more demanding than a layperson's justified belief and short of certainty. Moving from a neutral stance toward presumptive doubt raises the evidence needed.
The revision loop
A risk assessment combines beliefs into a mental model, runs it to produce expectations, and compares them with observations.
Concordance lowers assessed risk; discordance raises it and sends the auditor back for more evidence. The loop repeats until beliefs are well justified, and the monograph stresses that unless beliefs change, the risk assessment should not change either.
A test you can apply to your own answers
Before gathering evidence, ask whether it would support some plausible beliefs and weaken others.
After gathering it, ask whether you could explain to someone else how far it also supports the alternatives. Both questions come from the monograph and both apply equally to an exam answer that has to justify a risk rating.
What this chapter covers
- 01
Two descriptions of auditing
- 02
Audit risk and its components
- 03
The compensatory audit risk model
- 04
Knowledge against belief
- 05
Reasonable assurance as well-justified belief
- 06
Mental models and expectations
- 07
Skepticism and the evidence it demands
Worked example · free
Turn a surprising result into a risk assessment
- 2State the expectation your mental model produces.
- 2Compare it with the observation and name the discordance.
- 2Revise the risk assessment for specific assertions.
- 2Choose evidence management cannot easily shape.
Key terms
- Audit Risk
- The risk that the auditor issues an inappropriate opinion when the financial statements are materially misstated.
- Inherent Risk
- How exposed an assertion is to material misstatement before any related internal control is taken into account.
- Control Risk
- The risk that internal control fails to prevent, or detect and correct in time, a material misstatement.
- Well-Justified Belief
- A belief supported by enough appropriate evidence to meet the auditor's threshold for reasonable assurance.
- Mental Model
- The auditor's organised understanding of the entity, which produces expectations when it is run.
- Presumptive Doubt
- A skeptical stance beyond neutrality that treats management's evidence as doubtful until corroborated.
Evidence-Driven, Belief-Based Risk Assessment FAQ
What happens to detection risk when control risk rises?
Acceptable detection risk falls. To keep audit risk at its target, the auditor must gather more persuasive substantive evidence, changing the nature, timing or extent of testing.
Why does the monograph distinguish belief from knowledge?
Because auditors can know some things, such as which test direction suits existence, but can only believe others, such as management's honesty. Reasonable assurance rests on well-justified beliefs, not certainty.
When should an auditor change a risk assessment?
When the evidence changes the auditor's beliefs. Concordance between expectations and observations lowers assessed risk; discordance raises it. If no belief changed, the assessment should not change.
What is professional skepticism in this framework?
A questioning mindset aimed at management's claims and at the auditor's own judgments. Moving from neutrality toward presumptive doubt raises the evidence needed before a belief counts as well justified.
Why is professional judgment called both a control and a risk?
Judgment is the main way auditors manage non-sampling risk, but faulty judgment, such as poor belief revision or careless evidence choices, is also one of its main sources, so it needs checking too.
Exam move
Practise the loop on three news stories about companies: write the expectation first, then the reported result, then the assertion whose risk changes and one outside source of evidence.
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