Appendix H: Exercise Answers and Self-Assessment Guide
This appendix helps you evaluate your own work on the exercises throughout Practical Philosophy. It is organized in four parts: a reflection on what "answers" mean in philosophy; criteria for assessing different types of exercises; guidance on the multiple-choice quizzes; and a self-assessment framework for the Progressive Project (your Personal Philosophy document).
A note on when to read this appendix: Consult it after attempting the exercises, not before. Reading self-assessment criteria in advance tends to produce responses that satisfy the criteria without actually doing the philosophical work the criteria are meant to reward.
Part 1: A Note on "Answers" in Philosophy
Philosophy has two kinds of exercises, and they require completely different approaches to self-assessment.
Exercises with correct answers include the multiple-choice and short-answer quiz questions at the end of each chapter. These test whether you have understood what the philosophers actually said — whether you can correctly identify Kant's categorical imperative, distinguish Sartre from Camus, or describe the Four Noble Truths. These have answer keys, and the quizzes reference them. Getting them right matters.
Exercises without correct answers include thought experiments, journaling prompts, framework application exercises, and the Progressive Project work. These have no answer key. They are not tests of whether you have learned facts; they are invitations to do philosophy — to reason carefully about questions that genuine, thoughtful, informed people disagree about.
The goal of philosophy exercises is not to arrive at the correct predetermined conclusion. It is to reason better. This sounds obvious, but it runs counter to most educational training. Many readers approach philosophy exercises looking for the answer the instructor wants, or the answer the textbook implies. That approach will produce superficially plausible work that is philosophically hollow.
What doing philosophy actually looks like:
Genuine philosophical engagement has several recognizable features. It uses specific concepts and frameworks rather than vague generalities ("care ethics asks us to attend to the particular needs of this specific person" rather than "we should be nice"). It takes seriously the positions it disagrees with, engaging with their strongest version. It is honest about where it is uncertain — a good philosophical response often ends in a better, more precise question than it started with. And it applies to actual cases, not just to abstract principles floating free of any situation.
Socrates called the state of genuine philosophical puzzlement aporia — being genuinely stuck, not knowing something you thought you knew. Students often experience aporia as failure. It is not. It is the beginning of philosophy. If you complete an exercise feeling less certain than when you started but clearer about exactly what you are uncertain about, you have probably done it well.
The only genuinely bad philosophical responses are ones that refuse to engage — that offer vague platitudes instead of reasoning, that treat complex questions as if they have easy answers, or that merely recite what a philosopher said without applying it to the question at hand.
Part 2: Self-Assessment Criteria by Exercise Type
Thought Experiments
Thought experiments ask you to reason about hypothetical cases in order to test principles and reveal hidden commitments. Good engagement with a thought experiment does several things:
Uses the framework precisely. The trolley problem is not a question about whether cruelty is bad (it obviously is). It is designed to isolate the question of whether there is a morally significant difference between killing and letting die, and between redirecting harm and introducing harm. A good response identifies what the thought experiment is actually testing and applies that precise question to the case.
Considers the obvious objection. Philosophy is a discipline of objections. After you have reasoned to a conclusion from a thought experiment, the next move is always: what is the best argument against this conclusion? What would a careful opponent say? A good response takes this objection seriously rather than dismissing it. If the objection is strong, your response should revise your conclusion or acknowledge genuine uncertainty.
Traces implications honestly. Some conclusions follow from premises that seem plausible but lead to results that feel wrong. When that happens, the right philosophical response is to ask: should I revise the premise or accept the uncomfortable conclusion? That question — called a "tollensing" move by philosophers — is itself a philosophical contribution. You are not required to accept uncomfortable conclusions; you are required to say honestly why you reject them.
Resists false resolutions. Thought experiments are designed to isolate genuine tensions between principles. A response that says "both sides have a point" without saying what the tension actually is, or how you would resolve it in a specific case, is not doing philosophical work. The tension is the point.
Journaling Prompts
The journaling prompts in this book ask you to apply philosophical frameworks to your own life — your own values, decisions, fears, commitments, and uncertainties. Good journal responses have the following qualities:
Specific rather than generic. "I value friendship" is generic. "The Aristotelian conception of philia — the love of the friend's character, the pleasure of their company, and the shared pursuit of virtue — describes what I value in my closest friendships better than the utilitarian account, which makes friendship seem like a kind of mutual investment account" is specific. Specificity is evidence that you are actually thinking rather than performing.
Honest about uncertainty. A journal response that concludes with confident self-knowledge ("I now understand that I am a consequentialist in my ethical commitments and that I value eudaimonia over pleasure") is almost certainly performing certainty it hasn't earned. Most readers who engage honestly with these frameworks will find that they are partly this and partly that, that their commitments are inconsistent, that they believe things they can't fully defend. That honesty is philosophically valuable.
Uses philosophical concepts without just reciting them. The goal is not to prove you've read the chapter — it is to use what you've read as a tool for understanding something about your own experience. The concepts should illuminate something you already half-knew but hadn't been able to articulate, not provide a vocabulary for stating familiar things in unfamiliar language.
Ends with a question. The best journal entries leave you somewhere different from where you started. Often that means ending with a question — a more precise, more personal question than the prompt itself asked. That question is evidence that the framework has genuinely engaged with your thinking, not just sat alongside it.
"Which Framework Resonates?" Exercises
Several chapters ask you to assess which philosophical framework feels most right to you — whether Stoicism or Buddhism speaks more to your experience of suffering, whether you are more drawn to existentialism's radical freedom or to Confucianism's relational self. These are not popularity contests. Good responses have the following qualities:
Genuine consideration of each framework's strengths and limits. A response that simply says "I prefer Buddhism because it seems more peaceful" has not engaged with the philosophical merits of the frameworks. A better response identifies what specific claim each framework makes, what evidence or experience supports that claim, where each framework's analysis feels incomplete or strained, and why the preferred framework handles the specific questions that matter most to you.
Honest about resonance versus agreement. There is a difference between a framework that resonates — that captures something about how you already experience the world — and a framework you agree with after philosophical examination. Both responses are valid, but they are different. Recognizing which kind of resonance you are reporting is philosophically honest and useful.
Doesn't force a winner. If two frameworks seem equally compelling for different dimensions of a question, saying so is better than declaring a false victor. Many thoughtful readers end these exercises with something like: "Stoicism handles the question of what to do with genuinely unavoidable suffering better than Buddhism, but Buddhist no-self analysis is more illuminating for understanding what exactly is suffering." That kind of differentiated response is excellent philosophical work.
Dialogue and Perspective-Taking Exercises
Some exercises ask you to construct a dialogue between two philosophers or to present two traditions' views in their strongest forms. These are among the most philosophically demanding exercises in the book. Good responses have the following qualities:
Accurately represents each tradition's actual position, not a straw man. Each philosophical tradition has developed sophisticated positions over centuries, and those positions have answers to obvious objections. A good dialogue does not put weak arguments in a tradition's mouth; it puts the tradition's best arguments. The test: would a knowledgeable defender of this tradition recognize this as a fair representation?
Locates the genuine point of disagreement. Two traditions often appear to disagree on the surface but share deeper commitments that make the disagreement smaller than it first seems. They also sometimes agree on the surface but disagree more deeply. Good dialogue exercises find where the real disagreement lies — and that often requires going three moves deep rather than stopping at the first apparent conflict.
Shows what each tradition sees that the other misses. Part of what makes comparative philosophy valuable is that different traditions attend to different aspects of a question. A dialogue that just shows the traditions disagreeing misses the more interesting possibility that each tradition captures something real that the other underemphasizes.
The "Dinner Party" Thought Experiments
Several exercises ask you to imagine a conversation between historical figures from different traditions — Epictetus and the Dalai Lama, Simone de Beauvoir and Confucius, Aristotle and Zhuangzi. These are exercises in philosophical imagination and historical accuracy simultaneously. Good responses have the following qualities:
Historical accuracy alongside philosophical imagination. The figures should speak in ways consistent with their actual philosophical positions and the concerns that animated their work. Epictetus's voice should be recognizably Epictetan; the Dalai Lama's should reflect contemporary Tibetan Buddhist thought. Anachronism can be illuminating (what would Aristotle say about AI?), but it should be clearly marked as anachronistic interpretation.
Genuine conflict rather than easy agreement. The most interesting dinner party conversations are ones where the participants really do disagree — where the disagreement is not resolved by one figure simply conceding to the other, but where both positions are defended with genuine force and neither is obviously right. Real philosophical disagreements are usually between positions that are both partially correct and partially incomplete.
Productive rather than a shouting match. Philosophical dialogue is not debate in the adversarial sense. The goal is not for one position to win but for both positions to be articulated more precisely than they were before the dialogue. The best dinner party exercises end with both parties having said something they couldn't have said without the exchange.
Part 3: Quiz Answer Guidance
The chapter quizzes have answer keys embedded in the quiz files. This section supplements those keys with guidance on common errors — the confusions that appear most regularly when readers engage with the book's material.
The Ten Most Commonly Confused Philosophical Pairs
1. Kant's Categorical Imperative vs. the Golden Rule. Both say, roughly, "consider what would happen if everyone behaved as you do." But the categorical imperative is not a reciprocity principle — it does not ask "would I want this done to me?" It asks "could I rationally will that the maxim of my action become a universal law?" The difference matters: you could will many things for yourself that would not be universalizable (Kant's example: lying to get a loan you can't repay). The Golden Rule is about reciprocal treatment; the categorical imperative is about logical consistency.
2. Eudaimonia vs. happiness in the modern sense. When Aristotle uses eudaimonia, he does not mean a pleasant subjective feeling. He means something like "a life going well" in an objective sense — a life in which human excellences are being exercised. A person could be unhappy in the modern sense (worried, struggling, experiencing pain) while living eudaimonistically in Aristotle's sense. Conversely, a person could feel pleasant and satisfied while failing to flourish. The conflation of eudaimonia with happiness leads to misreading Aristotle consistently.
3. Compatibilism vs. soft determinism. These often refer to the same position, but there is a distinction worth preserving. Soft determinism holds that freedom is compatible with determinism, and that all it requires is the absence of external compulsion. Compatibilism is broader — it holds that freedom and determinism are compatible, but there are multiple accounts of what freedom requires. Harry Frankfurt's compatibilism, for instance, requires that your action flows from desires you identify with, not just the absence of compulsion. Not all compatibilists are soft determinists.
4. Nihilism vs. absurdism. Nihilism holds that life has no meaning and no response is appropriate — there is no value anywhere, so there is nothing to do. Absurdism (Camus) agrees that life has no inherent meaning but disagrees about the appropriate response. The absurdist does not conclude that nothing matters; they conclude that you should embrace life passionately anyway, in full knowledge of its meaninglessness. Absurdism is a response to nihilism, not a version of it.
5. The Stoic "dichotomy of control" vs. fatalism. Stoics are not fatalists. Fatalism holds that everything is predetermined and effort is therefore futile. The Stoic dichotomy of control holds that some things are "up to us" (our judgments, intentions, responses) and others are "not up to us" (external events, other people's actions). The Stoic emphasizes effort and virtue in the domain that is up to us precisely because it is genuinely up to us. This is the opposite of fatalism.
6. Buddhist no-self (anatta) vs. the non-existence of persons. When Buddhists say there is no self, they do not mean persons don't exist. They mean that when you look carefully for a fixed, unchanging, independent self — a "soul" in the Western sense — you don't find one. What you find instead is a process: a continuously changing stream of physical and mental events, conventionally identified as a person. Persons exist conventionally; fixed selves do not exist ultimately. The claim is metaphysical, not the denial of everyday personal identity.
7. Virtue ethics vs. consequentialism about virtues. It might seem that virtue ethics is just a form of consequentialism about character — virtuous people produce better consequences. But genuine virtue ethics holds that virtuous action has intrinsic value independent of its consequences. Aristotle argues that virtuous activity is constitutive of the good life, not merely productive of it. If virtuous behavior always produced bad consequences, the consequentialist would revise their account of virtue; the virtue ethicist would not.
8. Ubuntu "I am because we are" vs. the claim that individuals don't exist. Ubuntu's relational ontology does not deny that individual persons exist; it denies that personhood can be understood independently of relationships. A person who behaves with genuine humaneness (ubuntu) becomes more fully a person through those relationships; someone who systematically violates community bonds is said to "lack ubuntu." This is a claim about what personhood consists in, not a denial of individual existence.
9. Existentialist bad faith vs. hypocrisy. Hypocrisy is saying one thing and doing another — claiming to hold values you actually violate. Bad faith (Sartre) is a deeper self-deception: lying to yourself about the nature of your freedom. The person in bad faith believes they are determined by their role, their past, their "nature" — when in fact they are always free to choose. Hypocrisy involves knowing the truth and concealing it from others; bad faith involves concealing the truth from yourself.
10. Reflective equilibrium vs. relativism. Rawls's method of reflective equilibrium holds that we should move back and forth between our moral principles and our specific moral judgments, revising each in light of the other until they cohere. This is not moral relativism — it is not the claim that any set of coherent moral commitments is equally valid. Rawls believes some coherent moral systems are more defensible than others, and the process of reflective equilibrium is one way of working out which. The method acknowledges that we start with particular, fallible intuitions, but that is not the same as saying those intuitions cannot be improved.
Part 4: The Progressive Project Self-Assessment
The Progressive Project — developing your Personal Philosophy document across all six parts and 38 chapters — is the most important work in this book. Appendix E provides detailed guidance on completing the document; this section provides criteria for assessing whether your completed document is genuinely doing what it is supposed to do.
What a Complete Personal Philosophy Document Looks Like
A complete document has engaged honestly with all six parts of the project: your initial philosophical audit (Part I), your ethical commitments and their basis (Part II), your account of meaning, identity, and what you are doing with your life (Part III), your epistemic commitments and their limits (Part IV), your engagement with at least two traditions in depth (Part V), and your integration of all of this into an evolving synthesis (Part VI).
"Complete" does not mean long. A document can be complete at 3,000 words or at 15,000 words. What makes it complete is that it has engaged honestly with each dimension rather than skipping the hard ones.
Questions to Ask of Your Document
Is it honest? The most important question. Does it say what you actually believe, including the things that are uncertain, inconsistent, or uncomfortable? A document that just agrees with whichever framework seemed most appealing in each chapter is almost certainly not honest — most people have genuinely inconsistent commitments, and acknowledging that inconsistency is philosophically more valuable than resolving it artificially.
Is it specific? Does it say specific things about your specific life? Does it identify the particular frameworks that illuminate your particular questions? Does it use the thinkers and traditions as lenses on actual decisions and experiences rather than floating free of them? Abstract philosophical documents — ones that could describe anyone's philosophy because they describe no one's in particular — have usually not done the work.
Does it change how you make decisions? A philosophical framework that has no bearing on actual choices is decorative, not philosophical. Your document should be able to say: "When I face X type of decision, I now think about it differently because of Y framework, which tells me to Z." Even if the framework doesn't generate a clear answer, it should change what questions you ask.
Does it engage with the traditions genuinely? A document that says "Stoicism is fine but I prefer Buddhism" without specifying which claims in each tradition you find compelling and why has not engaged with the traditions. A document that uses Stoic tools for some questions and Buddhist tools for others, and can explain why each tradition speaks to different dimensions of your experience, has engaged genuinely.
Does it acknowledge open questions? No honest Personal Philosophy document is complete in the sense of being finished. The best documents identify the questions they cannot yet answer — the places where the frameworks don't align with intuition, where you find two traditions compelling for incompatible reasons, where you are still genuinely uncertain what you think. These open questions are evidence that the document is a real philosophical project rather than a performance of philosophical closure.
Red Flags
A document that agrees with everything. If your document says you find all traditions equally compelling and that you think all the major frameworks have important insights and that every thinker you encountered said something true — this is probably a document that has avoided genuine philosophical engagement. Philosophy is not just validation. The frameworks make incompatible claims, and taking them seriously requires noticing where they conflict and working out what you actually think.
A document that is purely abstract. A document that discusses eudaimonia, bad faith, and ubuntu without connecting them to actual aspects of your actual life has not done the work of applied philosophy. Philosophy is not a vocabulary exercise. The goal is understanding — your own life, your own values, your own commitments — illuminated by philosophical frameworks.
A document that doesn't mention your open questions. If your document is entirely confident and resolved — if it has no places where you say "I don't know," "I find this compelling and troubling simultaneously," or "this is where my framework breaks down" — it has probably not been honest enough. The examined life includes the examination of what you cannot yet examine clearly.
A document written the night before it's due. The Progressive Project is designed to unfold over the duration of your engagement with the book. A document assembled in a single sitting will lack the revisionary depth that makes the project valuable. The most important feature of a Personal Philosophy is that it changes — that by the time you write Part VI, some of what you wrote in Part I looks different to you. That change is the evidence that philosophy has been working.
The value of a Personal Philosophy document is not in its conclusions. It is in the quality of attention brought to the process of forming, testing, and revising those conclusions. A document full of genuine uncertainty, genuine engagement, and genuine revision is more philosophically valuable than a confident, polished document that avoids the hard questions.