as a control group

USAGE SUMMARY

"as a control group" is a valid and commonly used expression in written English.
You can use it to refer to a group of subjects in an experiment who are not given the same treatment as the other participants, and therefore can be used as a comparison to measure the effect of the treatment. For example, "The researcher studied the effects of a new medication by dividing the participants into two groups, one of which was given the drug and the other serving as a control group and receiving a placebo."

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Group 3 acted as a control group, receiving no intervention.

BMC Sports Science, Medicine and Rehabilitation

Only six even used women as a control group".

The New York Times - Health

A final third of households served as a control group.

Stanford University

Five normal subjects served as a control group.

Nature

Group A was considered as a control group (NaCl, 0.9%).

Pathophysiology

We also studied 211 healthy children as a control group.

The Journal of Pediatrics

Nineteen healthy individuals were studied as a control group.

Journal of Psychiatric Research

The lottery losers remained in the projects as a control group.

The New York Times

Another 24 communities acted as a control group for the study.

The Guardian

It also examines the covariates of unwanted pregnancy keeping wanted pregnancy as a control group.

Princeton University

A final set of villages served as a control group, a comparison point.

Yale University

Expert writing Tips

Best practice

Use "as a control group" to introduce the purpose of that portion of samples to accurately establish the value of the variable being tested and contrasted.

Common error

Avoid assuming all untreated groups are "control groups". A true "control group" is specifically designed to isolate the impact of the independent variable. Ensure it's not inadvertently exposed to other factors that could skew results.

Linguistic Context

The phrase "as a control group" functions as an adverbial phrase modifying a verb. Ludwig AI confirms that the phrase indicates the role or purpose of a group within an experimental design, specifying that its function is to serve as a standard for comparison.

Expression frequency: Very common

Frequent in

Science

81%

Academia

10%

News & Media

9%

Less common in

Formal & Business

0%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

The phrase "as a control group" is a commonly used term, particularly in scientific and academic contexts, to describe a group used for comparison in research. Ludwig AI validates its grammatical correctness and prevalence. Its purpose is to specify a group's function in an experimental design, providing a baseline to assess the effects of an intervention. While mainly used in scientific literature, it also appears in news and media when reporting on research findings. Understanding its function helps ensure clarity and precision in scientific communication.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

serving as the control

This alternative emphasizes the role or function of the control group within a study.

functioning as the control group

This alternative uses "functioning" to highlight the active role of the group in the study.

utilized as a control group

Focuses on the action of implementing the group to compare the results with other samples.

used for comparison

This is a shorter, more general way of saying the same thing, focusing on the purpose of the group.

acting as the reference group

Replaces "control" with "reference", indicating a standard for comparison.

being the comparison group

This alternative directly states the group's role in providing a basis for comparison.

the standard against which to measure

This option provides a broader description of a "control group" role.

the baseline group

Uses "baseline" to describe the standard condition against which changes are measured.

the untreated cohort

This alternative highlights the lack of intervention or treatment in the group.

a group receiving a placebo

Specifies the use of a placebo to ensure no active treatment affects the group.

FAQs

How is "as a control group" typically used in research?

In research, "as a control group" is used to describe a group of participants who do not receive the experimental treatment. This allows researchers to compare the outcomes of the experimental group to the "control group", isolating the effect of the treatment.

What are some synonyms for "as a control group"?

Synonyms for "as a control group" include "serving as the control", "functioning as the control group", or "used for comparison". The best choice depends on the specific context.

How does a "control group" differ from an experimental group?

A "control group" does not receive the treatment or intervention being tested, while the experimental group does. The purpose of the "control group" is to provide a baseline for comparison to determine if the treatment has a significant effect.

What happens if the "control group" is not properly selected?

If the "control group" is not properly selected or matched to the experimental group, it can introduce bias and make it difficult to determine whether the treatment effect is real. Proper selection ensures the groups are as similar as possible at the start of the study.