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Case studies on truth, trust, credibility and expertise: VCE Philosophy

Syllabus dot point

“Analysing case studies from the context of truth, trust, credibility and expertise using the concepts and arguments of the set texts”

7 min read

Quick answer

Cases in this context turn on whom to believe and why. Use E. Fricker for the conditions of reasonable trust (competence and sincerity, with a hearer who stays alert), M. Fricker for how prejudice distorts credibility in both directions, Peirce for why a method that tests belief against public evidence is the most reliable, and Mill for the need to keep expert views open to challenge. A good analysis separates real expertise from mere authority, asks what grounds a layperson has for deference and considers both the danger of blind trust and the danger of blanket distrust.

Jump to a section
  1. What this dot point is asking
  2. Key distinctions
  3. How a layperson can assess an expert
  4. Lens 1: E. Fricker
  5. Lens 2: M. Fricker
  6. Lens 3: Peirce
  7. Lens 4: Mill
  8. Objections to consider
  9. Practice questions

What this dot point is asking

The third context is truth, trust, credibility and expertise. The Unit 4 introduction asks: what is an expert, what qualities must testimony have to be trusted, and how do we separate good beliefs from poor ones among many contradictory sources? A case study here might involve a public health controversy, a scientific consensus under challenge, a news source's credibility, or a dispute between experts.

Key distinctions

  • Expert versus authority: an expert knows; an authority has standing. They can come apart.
  • Credibility versus truth: a source can be credible and wrong, or not credible and right. Credibility is a guide to truth, not the same thing.
  • Trust versus reliance: trust involves expecting good will and honesty, not only predictable behaviour.
  • Consensus: wide agreement among independent experts is strong but fallible evidence.

How a layperson can assess an expert

Without becoming an expert, a layperson can look at:

  1. Relevant training and a track record in the specific domain.
  2. Agreement of other independent experts.
  3. Conflicts of interest.
  4. Transparency: do they show their evidence and admit uncertainty?
  5. Whether they have been right before.

These criteria are suggestions arising from the discussion of testimony, not a list in any one text, so present them as your own reasoning supported by E. Fricker's focus on competence and sincerity.

Lens 1: E. Fricker

Reasonable trust is responsive to evidence about a speaker's reliability, even if much of the checking is quick and unconscious. In a case study, ask what evidence the public had about the experts' competence and sincerity, and whether trust was proportionate.

Lens 2: M. Fricker

Credibility is not assigned neutrally. A speaker may be unjustly doubted (credibility deficit) or unjustly believed more than they deserve (credibility excess), because of identity prejudice. In a case about expertise, ask whose testimony was heard, and whose, such as patients or local communities, was discounted. Also consider hermeneutical gaps (from Fricker's wider book, beyond your prescribed extracts): did the community lack concepts to understand what some people were experiencing?

Lens 3: Peirce

A belief is best fixed by a method that tests it against something independent of our opinions. For a public dispute, this suggests asking which claims can be checked in ways anyone could repeat. It also suggests that trust in institutions is justified to the extent that their methods are self-correcting. Peirce's criticism of authority as a method warns against trust that is blind.

Lens 4: Mill

Mill would say that expert views should be open to challenge, because even true views held without contest become dogma. But a case may show a tension: when a view is well established, constant relitigation has a cost, and bad faith challenges can exploit the openness. Use this tension for an evaluation.

Objections to consider

  • Deference problem: if non-experts must defer, how do they know the experts are right without being experts?
  • Overtrust and undertrust: blind deference allows abuse of authority, while blanket distrust leaves people open to charlatans.
  • Experts disagree: the layperson must decide among them, which seems to require expertise. A reply is that agreement and process are evidence, and sometimes the right response is suspended judgement.
  • Institutional failure: history shows experts and institutions sometimes failed or deceived, so distrust can have a rational basis, which M. Fricker's concern for dismissed groups also supports.
Worked example

Hypothetical case: a public health agency recommends a measure that conflicts with the experience of a local community, who say the agency ignores them.

Assumptions: the agency assumes population data outrank local observation; the community assumes the agency does not care about them.
Issues: whose testimony counts; whether trust is warranted; whether the community's distrust has a rational basis in past treatment.
Texts: E. Fricker (competence and sincerity), M. Fricker (credibility deficit and possible hermeneutical gaps), Peirce (a public method of checking).
Analysis: the agency has strong evidence of competence. But if the community's observations are treated as mere anecdote because of who they are, that is a credibility deficit. A better response treats their experience as evidence to test, shares the data openly and explains reasoning, so that trust is earned and not demanded.
Perspective: expertise deserves substantial deference on technical questions, but the legitimacy of that deference depends on how the experts treat other knowers.

Practice questions

  1. Why is being an authority not the same as being an expert?

    Model answer: An authority has institutional standing to be obeyed or believed, while an expert has superior knowledge. A person might be an official without relevant knowledge, so deferring to authority alone does not guarantee deferring to knowledge.

  2. Outline one way M. Fricker's account bears on public trust in experts.

    Model answer: It shows that credibility judgements can be skewed by prejudice, so some groups may be unfairly dismissed in expert-led decisions, and that distrust from such groups may have a reasonable basis in how they have been treated.

Key fact

Strong answers avoid both extremes: 'trust the experts' and 'trust no one'. The texts support calibrated trust that tracks evidence of competence and sincerity and corrects for prejudice.

Practise this

Sources & how we know this

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