How to Write an Outline: Alphanumeric, Decimal, & Other Formats

An outline is the main form of organization in academic writing. It implies listing all of the research ideas and components before the writing process starts. To many of you, an outline may seem like just another piece of extra work to do, but trust us, it will end up saving you a significant amount of time. Keep reading this article by Custom Writing experts! Here you’ll find info about different outline formats, alphanumeric outline template, and examples.

🗝️ A Good Outline & Its Key Components

It is hard to underestimate the importance of an outline in the process of writing an academic paper. It arranges your thoughts, arguments, and hypothesis to avoid unnecessary gaps, inconsistencies, and lack of logic. The three types of outline format are:

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  • alphanumeric
  • decimal
  • full-sentence

All of them can be equally efficient, being adequately selected according to the purpose.

The decimal format numbers the structural paragraphs with 1.1., 1.2., 1.2.1., etc. The alphanumeric outline is generally the same, but the list levels are numbered in Roman numerals, capital letters, Arabic numbers, and lowercase letters. These two formats use short notes rather than full sentences. On the contrary, the full-sentence form can use any of the above numerations, but the paragraphs are written as complete sentences. You’ll find more information about the three outline formats in the below sections.

The Key Components of a Good Ourline Are: Parallelism, Coordination, Subordination, Division

If your research paper outline is assessed, language and structure shall be your primary concern. The following tips can help you fulfill the assignment correctly.

Parallelism: Grammatical Consistency

A point and its sub-points should have similar grammatical structures. If paragraph 1 starts with a verb, make all its subpoints (1.1., 1.2…) also start with verbs.

Example:

1.1. Visit college websites and evaluate them.

1.1.1. Look for compelling courses.

1.1.2. Note the demonstrative statistics.

Coordination: Equal Weight of Equal List Levels

The subheadings you choose should be of the same importance as all the other subheadings of the same level.

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Example:

A. Write your personal statement.

1. Describe your role model.

2. Explain a challenging event in your life.

B. Revise your personal statement.

Subordination: From the General to the Particular

General points shall be separated from the specific ones. The first headings shall be the most general, and each next sub-heading shall become more particular.

Example:

II. Frederic Douglas as a Lecturer.

A. Early lectures and the speech before Garrison.

a. The success of the first speech.

Division: Informational Breakdown

Keep in mind that the outline is not the ultimate purpose. It is only the preparation for the writing. There is no exact number of subpoints you can include, but remember that you will have to arrange them into paragraphs. The only rule is that there should be two or more sub-points on each level. In order to better determine the crucial parts, try a text shortener on a draft that you might have.

📐 Outlining: the Main Rules

Example:

  1. A clear and precise organizational system is essential. The topics should be subdivided by numbers and letters, followed by a period.
  2. Every section (heading/subheading) should consist of at least two entries. For example:
    • If your outline starts with a section under Roman numeral I, it must also include a section labeled Roman numeral II.
    • Suppose you have a capital letter A under category I. In that case, there must follow a capital letter B. Then continue with capital letters C, D, E, and so on, depending on how much information you are going to cover.
  3. The major points in the outline correspond to your key ideas, which will be placed in each paragraph’s topic sentence.
    • The first Roman numeral is for the introduction.
    • The next one is for the first body paragraph.
    • The third one is for the second body paragraph. (Use as many body paragraphs as you need to fully support your thesis.)
    • The last one is for your conclusion.

📑 Outline Formats (with Examples)

Alphanumeric Outline

The alphanumeric outline format is the one most commonly used. It features:

  • Roman numerals
  • Capitalized letters
  • Arabic numerals
  • Lowercase letters

For even further subdivisions, you can use Arabic numerals inside parentheses and then lowercase letters inside parentheses. Writing an alphanumeric outline, make short notes, not full sentences.

Alphanumeric Outline Example

Example:

PAPER TITLE

I. INTRODUCTION

II. BODY

A. Paragraph 1

1. Point 1

a. Sub-point 1

b. …

Decimal Outline

The decimal outline format is similar to the alphanumeric one. The difference is the numbering system it uses (1, 1.1, 1.2, etc.). Just like in the alphanumeric outline, the text is written in the form of short notes.

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Decimal Outline Example

Example:

PAPER TITLE

1. INTRODUCTION

2. BODY

1.1 Paragraph 1

1.1.1 Point 1

1.1.2 Point 2

1.1.3 …

Full-Sentence Outline

The full-sentence outline format is similar to the alphanumeric one. The difference is that the points are given as complete sentences, not as short notes. A sentence outline gives you the opportunity to specify details directly in the headings rather than creating a long, confusing outline consisting of many brief phrases.

Full-sentence Outline Example

Example:

PAPER TITLE

I. Paper introduction and the thesis statement

II. Paper body

A. First paragraph of the paper

1. First point of evidence that supports the thesis

a. Sub-point that discusses the point A

b. …

References

This article was developed by the editorial team of Custom-Writing.org, a professional writing service with 3-hour delivery.
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