How do I teach Kohlberg's stages of moral development?
How do I teach Kohlberg's stages of moral development?
Teach Kohlberg through dilemmas first and stage labels second. Let students argue the Heinz dilemma, then sort their own reasons into the six stages, and only then turn to the theory's critics, such as Carol Gilligan. This page covers the misconceptions that trip students up, classroom moves, a five-lesson sequence and ready-made psychology units for Grades 11 and 12.
See the psychology bundleStart with a moral dilemma such as Heinz stealing a drug to save his wife, and have students write their answer and their reason. Then introduce Kohlberg's three levels, preconventional, conventional and postconventional, with two stages each, and classify the reasons, not the answers. Finish with the critiques: Gilligan's ethics of care, cultural bias, and the gap between moral reasoning and behavior. Students should be able to place a reason at a stage and evaluate the model.
Ready-made material
High School Psychology and Sociology Course Bundle, Grades 11–12
8 resources in one download: $89.99 instead of $199.92 bought separately.
The first cover is the main resource; the others are related options. Open any cover for the full contents and price.
High School Psychology and Sociology Course Bundle | Moral Development, Socialization & Aggression | 8 Units | Grades 11–12
High School Philosophy Course Bundle | Existentialism, Habermas, Ethics & Theory of Knowledge | 8 Units | Grades 11–12
Middle School Ethics Curriculum | Justice, Conscience, Freedom, Digital Life & Climate | 10 Units | Grades 6–9
High School Nutrition Science Curriculum | Diet, Macronutrients, Metabolism & Health | 10 Units | Grades 9–12
Why it is hard
Where students misread Kohlberg
Kohlberg looks tidy on paper, which is exactly why students misread him. The most common mistake is classifying answers instead of reasons. Students assume 'Heinz should steal' sits at a higher stage than 'Heinz should not steal', when Kohlberg cared only about the reasoning behind either choice. A student who says Heinz should steal because he will not get caught is reasoning at stage one, whatever the verdict. A second problem is treating the stages as ages or as a ranking of people. Students start labeling classmates or relatives as stage two, which turns the lesson personal fast. They also assume everyone reaches stage six, when Kohlberg himself found it hard to identify. The vocabulary is slippery too: preconventional sounds like 'before being polite', and postconventional sounds like 'rebellious'. Many students memorize a stage chart without understanding the movement from self-interest to approval to law and order to principles. Finally, critiques are often squeezed onto a single slide at the end. Gilligan's argument about care and responsibility, cultural bias in the dilemmas and the gap between what people say and what they do deserve real time, because evaluation is what most essay questions ask for.
What works
How to make the stages stick
Students learn the model best when they classify real reasoning, including their own.
- Have students answer the Heinz dilemma in writing before you show any stage chart.
- Sort a stack of quoted reasons into the six stages in small groups, then justify each placement.
- Write one reason for each stage on the same dilemma, so students see the progression.
- Set a firm rule: analyze statements, never classmates, parents or other real people.
- Present Gilligan's ethics of care through a dilemma about loyalty to a close friend.
- Hold a structured dilemma discussion and note which stages the class arguments come from.
Step by step
Five lessons on moral development
Each lesson fits one class period. The order moves from students' own reasoning to the theory and then to its critics.
- The dilemma comes firstStudents read the Heinz dilemma, write a decision and their reason, then share in groups. Collect the reasons on the board without comment; they become the data for the next lesson.
- Three levels, six stagesIntroduce the levels and stages with one clear example reason for each. Students sort the reasons collected in lesson one and explain why each belongs where they placed it.
- Dilemma discussionRun a structured discussion on a new dilemma, such as reporting a friend who cheated. Students argue from assigned stages, then reflect on which reasoning they found most convincing and why.
- Critiquing KohlbergIntroduce Gilligan's ethics of care, the question of cultural bias in the dilemmas, and the gap between reasoning and action. Groups each prepare one critique and present it to the class.
- Evaluate the modelStudents write a structured evaluation: describe the theory, apply it to a new statement, and weigh two strengths against two criticisms before reaching a judgment of their own.
Ready-made option
Ready-made Kohlberg lessons
The High School Psychology and Sociology Course Bundle contains two units on this topic: Kohlberg: Moral Reasoning and Dilemma Discussion, and Critiquing Kohlberg. Together they follow the same path as the sequence above, from the model to its critics. The bundle costs $89.99 for eight units, compared with $199.92 for the parts on their own, and it is written for Grades 11–12 psychology, sociology and education electives. The other units cover Mead on the self, the functions of schooling, aggression, group-focused enmity, youth violence and violence prevention. For the philosophical side of moral reasoning, the High School Philosophy Course Bundle ($89.99) adds Kant and utilitarianism.
Honest limits
Where you will still need to plan
Other developmental theories, such as Piaget's account of moral judgment or Erikson's stages, are not among the bundle's unit titles, so plan those yourself if your course needs them. Decide how much research background your students need and prepare it. Dilemma discussions can brush against family conflict or legal trouble, so set clear ground rules. If you teach a course with an exam syllabus, compare the units against it yourself, since no alignment is claimed. Team use calls for a short message to Teach Lessons first. Within 7 days you can exchange the bundle for store credit of equal value, not cash.
Good to know
More teacher questions
How is Kohlberg different from Piaget on morality?
Piaget described a shift in children's moral thinking from rules as fixed by authority to rules as agreements people can change. Kohlberg built on that work and extended it into adolescence and adulthood with three levels and six stages, studied through dilemma interviews. His model is more detailed and reaches more abstract reasoning.
How do I explain Gilligan's critique without oversimplifying?
Explain that Gilligan argued Kohlberg's stages favored reasoning about rights and rules and undervalued reasoning about care, relationships and responsibility. Avoid turning it into 'men think one way, women another'. The useful point for students is that the model may rank one kind of moral thinking above another without good grounds.
Does anyone actually reach stage six?
Kohlberg described stage six as reasoning from universal ethical principles, and he himself found it hard to identify in interviews. Many textbooks treat it as largely theoretical. That makes a strong discussion question: can a stage exist mainly as an ideal, and what does that say about the model as a whole?
Do these units match my psychology standards?
The store makes no claim of alignment with any state standards or exam program. Psychology electives vary widely between states and districts. Look at the course framework your school uses, list the moral development content it expects, and compare that list with the unit titles before you plan the semester.
Which dilemmas besides Heinz work for teenagers?
Dilemmas closer to their lives work well: whether to report a friend who cheated, whether to break a promise to help someone in trouble, or whether to share a secret that might protect someone. Keep them fictional, short and open, so that strong reasons are possible on both sides.
How do I stop the lesson from becoming a debate about Heinz?
Tell students before the discussion that the verdict is not what you are studying. After a few minutes of argument, freeze the debate and ask everyone to write the reason behind their position. Then switch to classifying those reasons. The debate is raw material, not the goal.
Let the dilemma do the opening
Give students the Heinz story and collect their reasons. Kohlberg's stages make far more sense once they have data of their own to sort.
See the psychology bundle