ArticleslgStudy

science

Testerian

Testerian is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Testerian rather than just read about it. In short: Testerian is a pictorial writing system that was used until the 19th century to teach Christian doctrine to the indigenous peoples of Mexico, who were unfamiliar with alphabetic writing systems. The invention of Testerian catechisms is attributed to Jacobo de Testera, a Franciscan who arrived in Mexico in 1529.

Testerian — main illustration
Testerian — illustration

Key takeaways

  • Testerian belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Testerian to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Testerian from memory before moving on to harder problems.

Reference excerpt

Testerian is a pictorial writing system that was used until the 19th century to teach Christian doctrine to the indigenous peoples of Mexico, who were unfamiliar with alphabetic writing systems. The invention of Testerian catechisms is attributed to Jacobo de Testera, a Franciscan who arrived in Mexico in 1529.

Bibliography Haberly, David (1963). The Hieroglyphic Catechisms of Mexico. Harvard University. Leeming, Ben (2005). Preaching With Pictures: How Hieroglyphic Catechisms Shaped Native Mesoamerican Christianity in Sixteenth-Century Mexico. Normann, Anne (1985). Testerian Codices: Hieroglyphic Catechisms for Native Conversion in New Spain (Latin America, Catholic Church, Indians, missionaries, Mexico). Tulane University. Robertson, Donald (1994). Mexican Manuscript Painting of the Early Colonial Period: The Metropolitan Schools. University of Oklahoma Press. pp. 53–55. ISBN 0-585-14632-2. Catecismo pictórico Otomí

Illustrations

Testerian illustration

Worked examples

Example 1 — a first encounter with Testerian

Start with the simplest possible case. Write down what Testerian claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Testerian before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Testerian ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Testerian

In research
Testerian appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Testerian in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Testerian is common in secondary-school and first-year university syllabi. It links to neighbouring topics Auxiliary and educational artificial scripts, Writing system stubs, Writing systems of the Americas, so understanding it makes those chapters shorter.
In everyday life
Look for Testerian outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “Testerian” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Testerian in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Testerian means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Testerian out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Testerian in simple terms?

Testerian is a pictorial writing system that was used until the 19th century to teach Christian doctrine to the indigenous peoples of Mexico, who were unfamiliar with alphabetic writing systems. The invention of Testerian catechisms is attributed to Jacobo de Testera, a Franciscan who arrived in Me…

Why does Testerian matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Testerian?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Testerian.

Tags

  • Auxiliary and educational artificial scripts
  • Writing system stubs
  • Writing systems of the Americas

Keep exploring