University of Sydney · S2 2026 · FACULTY OF ARTS & HUMANITIES

HPSC1001 What is This Thing Called Science?

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HPSC1001 Overview

What is This Thing Called Science?
— Interrogate scientific method, evidence and values through reconstructable arguments.
  • Semester 2, 2026
  • 6 credit points

HPSC1001 is a University of Sydney unit of study worth 6 credit points that asks what distinguishes science, how scientific inference works and where observation and values enter inquiry.

  • Compulsory final The 30% final exam must be completed according to the official outline.
  • Best ten results The 20% online component uses the ten highest question results.
  • Argument curriculum Course materials connect demarcation, induction, observation and theory choice.
  • Values curriculum The values sequence reaches inductive risk, feminist criticism and standpoint.
HPSC1001 · The University of Sydney
An independent, AskSia-authored study guide. AskSia is not affiliated with, endorsed by, or sponsored by The University of Sydney; the course code and name are used for identification only.
Assessment

How HPSC1001 is assessed

ComponentWeightFormat
Final exam · hurdle30%Compulsory; must be completed
Online questions (best 10 submissions)20%Short online questions on lecture and reading content
Participation during tutorials20%Active engagement during in-person tutorials
Online task (EFT)2%Online quiz and early feedback task
Critical Analysis Task 14%250-300 words
In- semester test20%50 minutes
Critical Analysis Task 24%250-300 words

Weights and compulsory-completion language come from the exact official 2026 Semester 2 outline; only the best ten online-question results count toward their 20% component.

30%Final exam20%Online questions (best 1020%Participation during tutorials2%Online task (EFT)4%Critical Analysis Task 120%In- semester test4%Critical Analysis Task 2
Assessment map. Published components and their current weighting or hurdle status.
Contents · every chapter, one map

What HPSC1001 covers

Ten arguments connecting demarcation, induction, observation, values and standpoint.

01

Arguments about Science

Reconstruct claims before assessing their force

Argument sets the chapter's scale

Arguments about Science begins with Week 1 materials introduce philosophical questioning through claims, reasons and examples about science.

  • Argument
  • Validity
  • Soundness
  • Evidence route for Validity
  • Boundary test through Soundness
02

Demarcation and Pseudoscience

Test criteria for distinguishing scientific inquiry

Demarcation sets the chapter's scale

Demarcation and Pseudoscience begins with The introductory slides and Pigliucci reading treat demarcation as a difficult philosophical problem with social consequences.

  • Demarcation
  • Falsifiability
  • Pseudoscience
  • Evidence route for Falsifiability
  • Boundary test through Pseudoscience
03

Induction and the Problem of Justification

Explain ampliative inference without circular reassurance

Induction sets the chapter's scale

Induction and the Problem of Justification begins with The course framing of scientific method requires attention to how evidence supports conclusions beyond what is observed.

  • Induction
  • Uniformity of Nature
  • Circularity
  • Evidence route for Uniformity of Nature
  • Boundary test through Circularity
04

Observation and Theory-Ladenness

Analyse how concepts shape what counts as seen

Theory-Ladenness sets the chapter's scale

Observation and Theory-Ladenness begins with The Hanson excerpt supplies the central case that seeing is not a purely neutral intake independent of knowledge.

  • Theory-Ladenness
  • Observation Statement
  • Recalcitrant Evidence
  • Evidence route for Observation Statement
  • Boundary test through Recalcitrant Evidence
05

Epistemic and Non-Epistemic Values

Differentiate truth-directed standards from wider priorities

Epistemic Value sets the chapter's scale

Epistemic and Non-Epistemic Values begins with Week 2 slides organise debates about scientific values and the roles they may legitimately play.

  • Epistemic Value
  • Non-Epistemic Value
  • Value Judgment
  • Evidence route for Non-Epistemic Value
  • Boundary test through Value Judgment
06

The Value-Free Ideal

Test proposals to insulate scientific judgment

Value-Free Ideal sets the chapter's scale

The Value-Free Ideal begins with The values sequence asks whether a boundary between legitimate external values and internal scientific reasoning can be maintained.

  • Value-Free Ideal
  • Internal Stage
  • External Stage
  • Evidence route for Internal Stage
  • Boundary test through External Stage
07

Underdetermination and Theory Choice

Compare rivals that fit the available evidence

Underdetermination sets the chapter's scale

Underdetermination and Theory Choice begins with The course's observation and values problems converge when multiple accounts can accommodate the same result.

  • Underdetermination
  • Auxiliary Assumption
  • Theory Choice
  • Evidence route for Auxiliary Assumption
  • Boundary test through Theory Choice
08

Inductive Risk and Standards of Evidence

Connect error consequences to acceptance thresholds

Inductive Risk sets the chapter's scale

Inductive Risk and Standards of Evidence begins with The Douglas reading argues that value judgments are needed when weighing consequences of inductive error.

  • Inductive Risk
  • False Positive
  • False Negative
  • Evidence route for False Positive
  • Boundary test through False Negative
09

Feminist Criticism of Science

Identify patterned exclusions in concepts and institutions

Feminist Critique sets the chapter's scale

Feminist Criticism of Science begins with The value and observation materials support criticism of claims that inquiry occurs from a view outside social position.

  • Feminist Critique
  • Androcentrism
  • Reflexivity
  • Evidence route for Androcentrism
  • Boundary test through Reflexivity
10

Standpoint, Diversity and Objectivity

Use situated difference as a resource for criticism

Standpoint sets the chapter's scale

Standpoint, Diversity and Objectivity begins with The sequence from observation to values and feminist criticism culminates in questions about diversity and objectivity.

  • Standpoint
  • Cognitive Diversity
  • Social Objectivity
  • Evidence route for Cognitive Diversity
  • Boundary test through Social Objectivity

The available weeks and required readings support an argument-centred course architecture rather than a list of philosophers.

The curriculum moves from Argument through Internal Stage to Social Objectivity.

In What is This Thing Called Science?, that sequence matters because early definitions are repeatedly tested against later cases, assessment modes and competing explanations.

The official outline lists Final exam at 30%, Online questions (best 10 submissions) at 20%, Participation during tutorials at 20%, Online task (EFT) at 2%, Critical Analysis Task 1 at 4%, In- semester test at 20%, and Critical Analysis Task 2 at 4%.

The official outline states that the final exam is compulsory and must be completed.

The captured source does not state a separate minimum exam mark, so this guide does not invent one.

The central reasoning challenge is distinguishing a philosopher's premises, inferential move and conclusion from the historical or scientific examples used to motivate them. Work in What is This Thing Called Science?

must distinguish a source-supported fact from an inference, show how the selected concept changes the reading, and preserve uncertainty where the evidence does not decide the issue.

A productive route through What is This Thing Called Science? starts by retrieving the chapter's key concepts, then applies them to a changed case before returning to the source.

For HPSC1001, this order exposes missing links more reliably than rereading the same page until it feels familiar.

For each What is This Thing Called Science? chapter, keep an evidence ledger with the claim, the supporting observation, the explanatory move and the stated boundary.

In philosophical-argument work, the ledger prevents a fluent description from being presented as a completed argument.

The HPSC1001 worked practices are original learning exercises.

They do not reproduce institutional questions; their role is to rehearse the reasoning needed for critical-analysis tasks, in-semester argument testing and a compulsory final exam while keeping official administration under the live university system.

The assessment map below should be read with the current source note: Weights and compulsory-completion language come from the exact official 2026 Semester 2 outline; only the best ten online-question results count toward their 20% component.

Any later change in the The University of Sydney live system controls over this study resource.

Study across the What is This Thing Called Science? topic map rather than treating chapters as isolated summaries. Connections between Argument, Internal Stage and Social Objectivity are where comparison, synthesis and transfer become visible.

Worked example · free

Choose an evidential threshold under unequal error costs

Q [12 marks]. A regulator must decide whether limited evidence is sufficient to warn about a possible hazard. Analyse the decision through inductive risk. The Inductive Risk mark allocation is a study aid created for this guide and is not part of the university's published assessment scheme.
  • 3Fix the relevant meaning of Inductive Risk for the supplied material.
  • 3Connect the evidence to the claim through False Positive.
  • 3Test the preferred interpretation against False Negative.
  • 3State a bounded conclusion in the required philosophical-argument form.
Identify the evidential inference and the two relevant errors: warning when the hazard is absent and failing to warn when it is present. Show that choosing a threshold distributes the consequences of those errors, then name the social or ethical values used to compare them. This does not allow evidence to be ignored; it explains why evidence alone may not uniquely determine a threshold. Conclude with the narrower claim that value judgment enters the standard of acceptance while empirical work still constrains the probabilities and possible outcomes.
Sia tip — Name both error types and their consequences before discussing values; otherwise inductive risk becomes a generic ethics label.
Glossary

Key terms

Argument
A set of premises offered as reasons for a conclusion.
Demarcation
The attempt to distinguish science from non-science or pseudoscience by defensible criteria.
Induction
Inference from observed cases to unobserved cases or broader regularities.
Theory-Ladenness
The dependence of observation or description on background concepts, expectations or theories.
Epistemic Value
A value connected to cognitive aims such as accuracy, consistency or explanatory power.
Value-Free Ideal
The ideal that non-epistemic values should not determine acceptance of scientific claims.
Underdetermination
A situation in which available evidence does not uniquely determine one theoretical conclusion.
Inductive Risk
The possibility of error when accepting or rejecting a claim on incomplete evidence.
Feminist Critique
Analysis of how gendered power and exclusions shape scientific questions, methods or institutions.
Standpoint
An epistemically relevant perspective developed through social position and critical reflection.
FAQ

HPSC1001 FAQ

When reconstructing the argument, is there a separate minimum mark for the final exam?

The captured 2026 outline says the final exam is compulsory and must be completed, but it does not state a separate minimum exam mark. Do not convert compulsory completion into an unstated numerical hurdle.

When reconstructing the argument, how should a philosophical argument be reconstructed?

State the conclusion, list the premises needed to reach it and identify the inferential bridge. Then separate objections to a premise from objections to validity or explanatory reach so the evaluation targets the right component.

When reconstructing the argument, why is induction a problem?

Inductive reasoning moves beyond observed cases, yet attempts to justify it by past success risk relying on induction again. The problem concerns justification, not a claim that prediction or science never works.

When reconstructing the argument, does theory-laden observation make evidence arbitrary?

No. Background concepts and expectations can shape what is noticed and described, but observations remain constrained by instruments, shared procedures, recalcitrant results and comparison across differently situated investigators.

When reconstructing the argument, where do values enter science?

Locate a decision point—problem selection, classification, evidential threshold or communication—and explain the role played by a value. Avoid claiming that every value influence makes a result merely subjective.

When reconstructing the argument, how should the compulsory exam be prepared for?

Practise reconstructing one argument, applying it to a changed case and answering the strongest objection under time. Also verify the live timetable, format and permitted materials because those controls are operational facts.

When reconstructing the argument, what does a counterexample do to a demarcation rule?

A counterexample identifies a case the proposed rule classifies implausibly. The response should decide whether the case defeats the criterion, exposes a missing qualification or shows that several criteria must work together.

When reconstructing the argument, how can an objection avoid talking past an argument?

Target one stated premise, the inference from premises to conclusion or the claimed scope. Reconstruct the charitable version first, then explain exactly which change would make the conclusion narrower or unsupported.

Chapter questions

Questions students ask in each HPSC1001 chapter

When reconstructing the argument, why does the order from Argument to Soundness matter?
The order prevents the test from floating free of the claim it is meant to examine. Remove one premise from a demarcation argument and test whether the conclusion still follows. Establish Argument, trace the move through Validity, and only then use Soundness to retain, narrow or reject the result. Chapter 01 · Arguments about Science
When reconstructing the argument, what evidence distinguishes Demarcation from Falsifiability?
Begin with the chapter definition of Demarcation, then identify the observation that activates Falsifiability. Compare an adaptable research programme with a claim that immunises itself from every counterexample. The answer should explain why that observation changes the inference and should retain this limit: Failure of one universal criterion does not imply that no comparative judgment about scientific quality is possible. Chapter 02 · Demarcation and Pseudoscience
When reconstructing the argument, why can Induction not carry the whole argument?
Induction identifies an important part of the chapter, but the reasoning remains incomplete until Uniformity of Nature connects evidence to consequence and Circularity tests the boundary. Change a long stable sequence into a short biased sample and compare the inferential risk. This sequence prevents definition from being mistaken for analysis. Chapter 03 · Induction and the Problem of Justification
When reconstructing the argument, which error most often weakens work on Recalcitrant Evidence?
The common error is naming Recalcitrant Evidence without allowing it to affect the conclusion. Give two trained observers the same image but different background models and compare both overlap and disagreement. A defensible response states what finding would narrow the claim built from Theory-Ladenness and what evidence would instead support it. Chapter 04 · Observation and Theory-Ladenness
When reconstructing the argument, how can Non-Epistemic Value be retrieved under time pressure?
Reconstruct a compact chain containing the starting fact, the change expressed by Non-Epistemic Value, and the result tested by Value Judgment. Change a value from topic selection to acceptance of a specific empirical claim and compare the required justification. Then check the source for the first omitted condition and repair only that link. Chapter 05 · Epistemic and Non-Epistemic Values
When reconstructing the argument, when do Value-Free Ideal and Internal Stage support different answers?
They diverge when the case fits the category named by Value-Free Ideal but the relationship proposed through Internal Stage lacks evidence or faces a stronger alternative. Move a public-health priority from research selection into the evidential threshold and explain what changes. Resolve the tension with External Stage, not with assertion. Chapter 06 · The Value-Free Ideal
When reconstructing the argument, why does the order from Underdetermination to Theory Choice matter?
The order prevents the test from floating free of the claim it is meant to examine. Change an instrument calibration assumption while keeping the central theory and result fixed. Establish Underdetermination, trace the move through Auxiliary Assumption, and only then use Theory Choice to retain, narrow or reject the result. Chapter 07 · Underdetermination and Theory Choice
When reconstructing the argument, what evidence distinguishes Inductive Risk from False Positive?
Begin with the chapter definition of Inductive Risk, then identify the observation that activates False Positive. Reverse which error carries the greater social cost and explain how a responsible threshold may shift. The answer should explain why that observation changes the inference and should retain this limit: Values influence the threshold but do not determine empirical probabilities or make contrary evidence irrelevant. Chapter 08 · Inductive Risk and Standards of Evidence
When reconstructing the argument, why can Feminist Critique not carry the whole argument?
Feminist Critique identifies an important part of the chapter, but the reasoning remains incomplete until Androcentrism connects evidence to consequence and Reflexivity tests the boundary. Change the participant pool while retaining an androcentric outcome measure and test whether the research problem is repaired. This sequence prevents definition from being mistaken for analysis. Chapter 09 · Feminist Criticism of Science
When reconstructing the argument, which error most often weakens work on Social Objectivity?
The common error is naming Social Objectivity without allowing it to affect the conclusion. Add a differently situated critic to a team but deny access to agenda-setting, then assess the likely epistemic benefit. A defensible response states what finding would narrow the claim built from Standpoint and what evidence would instead support it. Chapter 10 · Standpoint, Diversity and Objectivity
Study strategy

How to study for the exam

Maintain argument cards with conclusion, premises, example, objection and reply. Interleave demarcation, induction and values so similar objections must be distinguished, and rehearse timed completion for the compulsory final exam.

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