Abbreviations: Acronyms, Initialisms, and First Use (B1)

What is the difference between an ACRONYM and an INITIALISM?

An acronym is pronounced as a word (NASA); an initialism is pronounced letter by letter (FBI).An acronym has more than four letters; an initialism has four or fewer.An acronym uses capital letters; an initialism uses lowercase letters.An acronym comes from English words; an initialism comes from Latin or French.

Correct answer: An acronym is pronounced as a word (NASA); an initialism is pronounced letter by letter (FBI).

Which sentence correctly introduces an abbreviation on its FIRST USE in a document?

The (WHO) World Health Organization released the report.The World Health Organization (WHO) released the report.The WHO released the report.The World Health Organization released the report.

Correct answer: The World Health Organization (WHO) released the report.

The abbreviation "NGO" (Non-Governmental Organization) starts with a vowel sound when spoken. Which article is correct: "a NGO" or "an NGO"?

"an NGO" — because the initialism is pronounced "en-gee-oh", starting with a vowel sound."a NGO" — because "N" is a consonant letter.Either is acceptable — the article choice is optional for abbreviations."a NGO" — because the full form "Non-Governmental" starts with a consonant sound.

Correct answer: "an NGO" — because the initialism is pronounced "en-gee-oh", starting with a vowel sound.

Which of the following is an ACRONYM (pronounced as a word), not an initialism?

FBIBBCUKNASA

Correct answer: NASA

After introducing "the European Union (EU)" in the first sentence, how should it be referred to in the SECOND sentence?

The European Union passed a new directive.The EU passed a new directive.The E.U. passed a new directive.The European Union (EU) passed a new directive.

Correct answer: The EU passed a new directive.

Which sentence contains a REDUNDANT ACRONYM (RAS syndrome)?

I need to visit the NHS for my appointment.She works for the BBC as a journalist.The WHO issued a global health alert.I need to find an ATM machine to get cash.

Correct answer: I need to find an ATM machine to get cash.

Which sentence shows the CORRECT use of an acronym with an indefinite article?

They attended an NATO summit.They attended a FBI meeting.They attended a NATO summit.They attended an FBI meeting.

Correct answer: They attended a NATO summit.

A company name is very well known — for example, IBM or UNICEF. Must you still introduce the full form on first use?

It depends on the audience — universally known abbreviations may not need introduction.Yes — every abbreviation must always be spelled out on first use, without exception.No — well-known abbreviations never need to be spelled out.Only abbreviations with more than four letters need to be introduced.

Correct answer: It depends on the audience — universally known abbreviations may not need introduction.

A document uses "the United Nations (UN)" in the abstract. Later, in Section 3, the UN is mentioned again. Does the full form need to be introduced again?

Yes — re-introduce it with the full form in parentheses every time a new section begins.No — once introduced, the abbreviation can be used throughout the whole document.Yes — re-introduce it every five paragraphs so the reader does not forget.Only re-introduce it if more than three pages have passed since the first use.

Correct answer: No — once introduced, the abbreviation can be used throughout the whole document.

Which sentence INCORRECTLY uses an abbreviation in formal academic writing?

The study found a significant effect (p < 0.05).The sample comprised 47 participants (n = 47).The study was conducted in the United Kingdom (UK).Please submit your findings asap for peer review.

Correct answer: Please submit your findings asap for peer review.

Which is the correct way to pluralise an abbreviation?

There were several MP's in attendance.There were several MP's in attendance.There were several MPs in attendance.There were several MPS in attendance.

Correct answer: There were several MPs in attendance.

The title of the document is "Effects of COVID-19 on GDP Growth." Should COVID-19 and GDP be introduced with full forms?

In most contexts, COVID-19 and GDP are universally known and do not need introduction.Yes — every abbreviation in a document title must be spelled out in the abstract.Only GDP needs introduction; COVID-19 is too recent to be universally known.Neither needs introduction, and this applies to ALL abbreviations in titles.

Correct answer: In most contexts, COVID-19 and GDP are universally known and do not need introduction.

Which sentence uses the first-use introduction INCORRECTLY?

The International Monetary Fund (IMF) issued the report.The (WHO) World Health Organization made the announcement.Gross domestic product (GDP) fell by 2% in Q2.The Human Resources (HR) department will contact you.

Correct answer: The (WHO) World Health Organization made the announcement.

When should you spell out the number "14" as "fourteen" vs. use the numeral in running text?

Always spell out numbers under 100 in formal writing.Always use numerals — numerals are always clearer than words.Never use numerals at all in academic prose.Many style guides use numerals for 10 (or 11) and above; always follow your specific house style.

Correct answer: Many style guides use numerals for 10 (or 11) and above; always follow your specific house style.

Which statement about abbreviations is CORRECT?

All abbreviations are acronyms.Acronyms and abbreviations are completely different things.Acronyms and initialisms are both types of abbreviation formed from initial letters.An abbreviation must always end with a period.

Correct answer: Acronyms and initialisms are both types of abbreviation formed from initial letters.