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How to identify the author's purpose

5 min lesson 2 min for the key points

Fact-checked October 15, 2026

TEAS 7 outline: Evaluate the author's purpose

Also covers HESI A2 Reading (Author's purpose and tone)

In 30 seconds
  • Author's purpose is why the text was written: persuade, inform, entertain, or describe.
  • Ask what the author wants you to do, know, or feel.
  • A call to action means persuade, even when the text uses facts.
  • Stories entertain, sensory details describe, and numbered steps mark a technical text.
  • The primary purpose must fit the whole passage, including the conclusion.

Key facts

  1. Ask what the author wants you to do, know, or feel when you finish; the answer names the purpose.
  2. Persuasive texts take a position and push for it, often with should or must and a call to action.
  3. Expository (informative) texts explain a topic with facts, definitions, examples, or cause and effect, without pushing a side.
Show all 6 key factsShow fewer
  1. Narrative texts tell a story with characters, a setting, and events in order; descriptive texts use the five senses to paint a picture.
  2. Technical texts help a reader complete a task, using numbered steps, precise details, warnings, and the exact names of the buttons or parts the reader will use.
  3. The primary purpose must fit the whole passage, so check the conclusion, not only the opening.

Quick check1 question · 2 more at the end

Bring Back the Lunch Break

At 1:30 on a Tuesday, Marisol, a pharmacy technician, finally sat down to eat. She had been on her feet since seven, and her sandwich had been waiting in the break-room refrigerator for six hours. Before she could finish it, the phone rang, and she went back to the counter.

Stories like hers are common in our hospital. In last month's staff survey, 58 percent of pharmacy and nursing employees said they had skipped a meal break at least once in the past week. Many said they felt they could not leave their stations because no one was available to cover for them.

This should not be treated as a personal choice. Skipping breaks is a scheduling problem, and scheduling problems have scheduling solutions. Two departments in our hospital already use a "break buddy" system, in which pairs of coworkers cover for each other during a protected 30-minute meal period. In the same survey, far fewer employees in those departments reported missing a break.

Hospital leaders should adopt the break-buddy system in every department by the end of the year. A rested team is a more focused team, and patients benefit from that. Talk to your manager, sign the petition in the break room, and help make the lunch break a real break again.

What is the author's primary purpose in writing the passage?

Full lesson

Each part starts with its main idea. Open a part when you want the details.

The short answer: The author's purpose is the main reason a text was written: to persuade, to inform or explain, to entertain, or to describe. Find it by asking what the author wants you to do, know, or feel after reading. A call to action signals persuasion, neutral facts signal informing, a story signals entertaining, and sensory detail signals describing.

1 What does "author's purpose" mean?The author's purpose is the main reason the text was written. 1 min

The author's purpose is the main reason the text was written. Most texts you read at school or work aim either to inform or to persuade. Stories and vivid descriptions add two more purposes, entertaining and describing.

Purpose The author wants you to… Look for
Persuade agree or take action should, must, a clear opinion, a call to action
Inform or explain understand a topic neutral facts, definitions, examples, causes and effects
Entertain enjoy a story characters, a plot, humor, suspense
Describe picture something sight, sound, smell, taste, and touch details

A text can do more than one thing. The question usually asks for the primary purpose, the one that fits the whole passage.

2 What are the main types of text?Each text type has a typical purpose and a set of features you can spot fast. 1 min

Each text type has a typical purpose and a set of features you can spot fast. Match the features first, then the purpose follows.

Text type Usual purpose Telltale features
Expository inform or explain facts, definitions, compare and contrast, cause and effect
Persuasive (argumentative) persuade a claim, supporting evidence, answers to the other side, a call to action
Narrative entertain, or make a point through a story characters, setting, events in time order
Descriptive describe sensory details that build a picture
Technical help the reader do a task numbered steps, exact specifications, button or part names, warnings

Workplace documents, such as memos and instructions, usually either inform readers of a change or persuade them to act.

3 What is a step-by-step method?Check the ending as well as the opening, because the conclusion often reveals the purpose. 1 min

Check the ending as well as the opening, because the conclusion often reveals the purpose. Use these four steps.

  1. Read the title, the first sentence, and the last paragraph.
  2. Ask the payoff question. After reading, what does the author want me to do, know, or feel?
  3. Check the evidence. Look for "should," a call to action, a story, sensory details, or numbered steps.
  4. Test each answer against the whole text. The verb (persuade, inform, entertain, describe) and the topic must both fit.

Try it: "Our building's stairwell is open, well lit, and only two floors from the cafeteria. Taking the stairs costs nothing and needs no gym membership. Next time the elevator doors open, walk right past them."

  • The first two sentences sound informative, since they state simple facts.
  • The last sentence tells you to do something. That is a call to action.
  • The facts serve the request, so the primary purpose is to persuade readers to take the stairs.
4 What wrong answers should you expect?Most wrong answers are true about part of the passage but miss its overall purpose. 1 min

Most wrong answers are true about part of the passage but miss its overall purpose. Watch for these four patterns.

  • The hook lure. A passage opens with a short story, so "to entertain" looks right. If the story leads into an argument, the purpose is to persuade.
  • The facts lure. A persuasive passage cites a survey, so "to inform" looks right. Ask what the facts are being used for.
  • The one-paragraph answer. The choice describes one paragraph accurately but not the whole text.
  • The describe-versus-narrate mix-up. Describing paints a picture of a place or thing; narrating tells what happened over time.

Common mistakes

The traps students fall into most. Read these before you practice.

  • Watch out: A persuasive text can include facts and statistics; facts used to support a call to action still serve persuasion, not informing.

  • Watch out: A story at the start does not make the purpose "to entertain" if the author uses it to set up an argument.

  • Watch out: An answer can name the right verb but the wrong topic, or a topic covered in only one paragraph; it must fit the whole text.

  • Watch out: Describing creates a picture of something; narrating tells what happened. Do not mix them up.

How to remember it

Think of the purposes as PIE plus D for Persuade, Inform, Entertain, and Describe. Then add one more word, technical, for any text that helps you finish a task.

Self-check:

  1. A flyer lists flu-clinic hours and then says, "Don't wait, sign up today!" What is its primary purpose, and which sentence decides it?
  2. A paragraph describes the smell of coffee and the hum of monitors in a hospital break room. Is it narrative or descriptive?
  3. Name two features that show a text is technical.
Check yourself

Try it: 2 questions

  • 2 questions
  • Reading
  • 5 min in exam mode

Questions are original practice items written to the published exam content, not real exam questions.

Finished this lesson? It is marked done when you finish the questions above. You can also mark it yourself.
Sources (9)
  1. Purdue OWL, Purposes (Rhetorical Situation)
  2. Purdue OWL, Expository Essays
  3. Purdue OWL, Argumentative Essays
  4. Purdue OWL, Narrative Essays
  5. Excelsior OWL, Descriptive Essay
  6. Excelsior OWL, Narrative Argument
  7. Purdue OWL, Memos: Audience and Purpose
  8. LibreTexts, Online Technical Writing (McMurrey), 2.6 Instructions
  9. Purdue OWL, Engineering Project Documentation: Stage Four, Manufacturing and Next Steps

Written with AI and checked against the sources above by a separate review step. No teacher or nurse reviews this content. How we make our content. HealthcareExams is independent and not affiliated with ATI.

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