C1 Expression フォーマル 3分で読める

The cohort included

Research methodology and reporting expression

Use this phrase to formally introduce the specific group of people you are analyzing in a report.

15秒でわかる

  • Used to define a specific group in a study or report.
  • Implies the group shares a common trait or time period.
  • Very common in academic, medical, and professional writing.

意味

This phrase is used to describe the specific group of people who were part of a study or project. It is like saying, 'Here is exactly who we watched and learned from over a period of time.'

主な例文

3 / 6
1

Presenting a medical study

The cohort included three hundred patients diagnosed with early-stage diabetes.

The group studied consisted of 300 early-stage diabetes patients.

💼
2

Reporting on a marketing campaign

The cohort included urban millennials who shop primarily through mobile apps.

The group we tracked were city-dwelling millennials using apps.

💼
3

Discussing a school project

The cohort included students from five different primary schools in the district.

The group of students came from five local schools.

👔
🌍

文化的背景

The term 'cohort' has deep roots in Roman military history, representing a tenth of a legion. In modern English, it transitioned into a pillar of statistics and sociology to describe groups moving through time together, such as the 'Baby Boomer cohort.' It reflects the Western obsession with data-driven categorization and long-term tracking.

💡

Precision is Key

Always follow this phrase with specific numbers or defining traits to sound truly professional.

⚠️

Avoid Overuse

Don't use 'cohort' for every group. It specifically implies a group sharing a statistical factor.

15秒でわかる

  • Used to define a specific group in a study or report.
  • Implies the group shares a common trait or time period.
  • Very common in academic, medical, and professional writing.

What It Means

The cohort included is a professional way to introduce the members of a specific group. In research, a 'cohort' isn't just any group. It is a group of people who share a common characteristic or experience. They are usually followed over a long period. When you say the cohort included, you are setting the stage for your data. You are telling your audience exactly who your subjects were. It sounds much more precise than saying 'the group had.'

How To Use It

You use this phrase at the start of a list. Usually, you follow it with numbers, ages, or specific traits. For example, The cohort included 500 teachers from London. You can also use it to describe diversity. Try saying, The cohort included individuals from various socio-economic backgrounds. It acts like a formal 'roll call' for your data set. Keep the description clear and factual. Avoid using overly emotional language here.

When To Use It

Use this in academic writing or formal business reports. It is perfect for medical journals or social science papers. If you are presenting a case study to your boss, this phrase adds authority. It shows you have a defined group of subjects. You might also see it in news reports about long-term health studies. It is the gold standard for reporting who was involved in a project.

When NOT To Use It

Do not use this at a casual dinner party. Telling a friend the cohort included my cousins sounds like you are treating your family like lab rats. It is too cold for intimate settings. Avoid it in creative writing unless you want a clinical tone. If the group didn't share a specific starting point, 'group' is better. Using it for a one-time meeting is also a bit of a stretch. Save it for groups you are tracking over time.

Cultural Background

The word cohort comes from ancient Rome. It originally described a unit of six centuries in the Roman army. These soldiers lived, fought, and moved together. Today, we’ve traded swords for spreadsheets. In Western academia, it became popular in the 20th century for 'longitudinal studies.' It carries a sense of shared destiny or shared experience. It implies that these people are linked by more than just chance.

Common Variations

You might hear the study population consisted of for more variety. Participants included is a very common and slightly softer alternative. If you want to be very technical, try the sample was comprised of. In marketing, you might hear the target cohort included. All of these serve the same purpose: defining the 'who' in your story.

使い方のコツ

This phrase belongs in the 'Methodology' or 'Results' section of a report. It is highly formal and should be used when precision and objectivity are required.

💡

Precision is Key

Always follow this phrase with specific numbers or defining traits to sound truly professional.

⚠️

Avoid Overuse

Don't use 'cohort' for every group. It specifically implies a group sharing a statistical factor.

💬

The 'Cool' Academic

In some tech circles, people use 'cohort' to sound smarter when just talking about a group of users.

例文

6
#1 Presenting a medical study
💼

The cohort included three hundred patients diagnosed with early-stage diabetes.

The group studied consisted of 300 early-stage diabetes patients.

This is the most standard academic use of the phrase.

#2 Reporting on a marketing campaign
💼

The cohort included urban millennials who shop primarily through mobile apps.

The group we tracked were city-dwelling millennials using apps.

Used here to define a specific consumer demographic.

#3 Discussing a school project
👔

The cohort included students from five different primary schools in the district.

The group of students came from five local schools.

Shows the diversity of the participants in an educational context.

#4 Texting a colleague about a focus group
😊

The cohort included some really vocal critics of the new design!

The group had some people who really hated the design!

A slightly more casual use of 'cohort' among professionals.

#5 A humorous observation about a group of friends
😄

The cohort included four caffeine addicts and one person who actually sleeps.

The group consisted of four coffee lovers and one sleeper.

Using formal language for a silly situation creates a funny contrast.

#6 Discussing a support group's history
💭

The cohort included brave individuals who were the first to seek help.

The group was made up of the first people to ask for help.

Adds a layer of respect and importance to the participants.

自分をテスト

Choose the best word to complete the formal report sentence.

The ___ included 150 volunteers from the local community.

✓ 正解! ✗ おしい! 正解: cohort

'Cohort' is the appropriate formal term for a group being studied or tracked.

Complete the phrase used in research methodology.

The cohort ___ participants from both rural and urban areas.

✓ 正解! ✗ おしい! 正解: included

The past tense 'included' is standard when reporting on a study that has been conducted.

🎉 スコア: /2

ビジュアル学習ツール

Formality Spectrum of 'The Cohort Included'

Casual

Talking to friends about a group.

The bunch had...

Neutral

General description of people.

The group included...

Formal

Academic or professional reporting.

The cohort included...

Where to use 'The Cohort Included'

The Cohort Included
🏥

Medical Journal

Describing patients in a drug trial.

📈

Business Analytics

Tracking a group of new subscribers.

👥

Sociology Paper

Defining a generation or social group.

🎓

Educational Research

Listing students in a learning study.

よくある質問

10 問

Not exactly. While it means a group, it specifically refers to people who share a common characteristic or time period, like the 1990 birth cohort.

It might sound a bit too stiff. Use the group included or we had instead unless you are being ironic.

Usually, yes, because you are reporting on a group you have already selected or studied. You would say the cohort included.

A sample is a portion of a population, while a cohort is a specific group followed over time. They are often used together in research.

Yes! In biological research, you could say the cohort included twenty lab mice if they are being studied together.

The word cohort is a singular collective noun. You say the cohort was or the cohort included.

Using the cohort included sounds more objective and scientific. It focuses on the group as a data unit.

In very old-fashioned or journalistic English, a 'cohort' can mean a companion, but this is rare and often considered incorrect by purists.

Yes, it is a standard term in global English-speaking academic and professional communities.

Usually, included suggests these were the main members, but there might be others. If the list is exhaustive, people often use consisted of.

関連フレーズ

The study population consisted of

A very formal way to define the entire group being studied.

Participants were recruited from

Explains where the people in the group came from.

A representative sample

A small group that accurately reflects a larger population.

Longitudinal study

A research method that follows the same cohort over many years.

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