a normal control

USAGE SUMMARY

The phrase "a normal control" is correct and usable in written English.
It can be used in contexts such as scientific research or experiments where a standard or baseline measurement is needed for comparison. Example: "In our study, we used a normal control to assess the effects of the new drug on blood pressure."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

The DNA from the fetal sample is labeled with a colored fluorescent dye, and DNA from a normal control is labeled with a different color dye.

The New York Times - Health

z-scores were derived by comparing the test results to a normal control population.

EJNMMI Research

Choroidal thickness maps in a patient with Vogt-Koyanagi-Harada disease at the convalescent stage (A) and in a normal control (C).

Journal of Ophthalmic Inflammation and Infection

In this study, group (I) rats were fed with standard food pellet and tap water which served as a normal control.

Cancer Nanotechnology

Three groups of cells were analyzed: a normal control group (A), a nanoscale photosensitizer group (B), and a conventional photosensitizer group (C).

Nanoscale Research Letters

The designed model classified the CHF, the CAD patients and a normal control group with rates of 97.83%, 93.79% and 100%, accuracy, specificity and sensitivity, respectively.

Computer Methods and Programs in Biomedicine

In addition to the earlier study, the luminance difference thresholds in the recovered visual field were compared with those of a normal control group.

Neuropsychologia

Wimmer et al. show that malignancy occurs approximately fourfold more frequently in renal-transplant recipients than in a normal control population.

Kidney International

20 healthy young participants (10 males) performed a total 15 TUG trials with two different cognitive tasks and a normal control condition.

Gait & Posture

Participants included outpatients with a DSM-IV-TR diagnosis of panic disorder (n = 26) or major depression (n = 28), and a normal control group (n = 41).

Journal of Anxiety Disorders

In addition, PBMCs from BV-hypersensitive patients, as well as from a normal control subject, proliferated in response to this allergen.

Journal of Allergy and Clinical Immunology

Expert writing Tips

Best practice

When describing experimental design, clearly define what constitutes a "normal control" group or sample to ensure reproducibility and clarity in your research.

Common error

Avoid using "normal control" interchangeably with "negative control". A "normal control" represents the expected state without any experimental intervention, while a "negative control" is specifically designed to produce a null result, ensuring the experiment's validity.

Linguistic Context

The phrase "a normal control" functions as an adjective-noun phrase that modifies the noun "control". It specifies a standard or baseline condition used for comparison in experiments or studies. Ludwig AI provides numerous examples demonstrating its use in scientific contexts.

Expression frequency: Very common

Frequent in

Science

98%

News & Media

1%

Formal & Business

1%

Less common in

Academia

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

The phrase "a normal control" is a common term, as confirmed by Ludwig, primarily used in scientific research to denote a standard for comparison. It's crucial for researchers to clearly define their "normal control" and avoid confusing it with similar terms like "negative control". When writing about experiments, being specific about the control group and why it's considered 'normal' enhances the clarity and reliability of your work. Alternatives such as "standard control" or "baseline control" can be used depending on the nuance you want to convey.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

standard control

Replaces "normal" with "standard", emphasizing conformity to a recognized measure.

typical control

Substitutes "normal" with "typical", focusing on representative characteristics.

baseline control

Replaces "normal" with "baseline", emphasizing the starting point for measurements.

untreated control

Highlights the absence of treatment in the control group, useful in experimental settings.

control group

Focuses on the group being controlled, omitting the 'normal' adjective.

sham control

Implies a placebo or simulated treatment, replacing 'normal' with the nature of the placebo.

reference control

Uses "reference" instead of "normal" to underscore the use of a standard for comparison.

vehicle control

Specifies the use of a solvent or carrier as the control, replacing 'normal' with its role.

wild-type control

Indicates a genetically unmodified control, common in genetic studies.

naive control

Suggests a control that hasn't been exposed to the experimental conditions.

FAQs

How can I effectively use "a normal control" in a research paper?

Clearly define the characteristics of your "normal control" group or sample. Explain how it represents the baseline or expected state against which experimental results are compared, ensuring transparency and reproducibility.

What are some alternatives to the phrase "a normal control"?

Depending on the context, you could use alternatives like "standard control", "typical control", or "baseline control" to convey a similar meaning.

Is it always necessary to include "a normal control" in an experiment?

While not always mandatory, including "a normal control" is highly recommended to establish a reference point. It helps in accurately assessing the impact of experimental manipulations by providing a basis for comparison.

What is the difference between "a normal control" and "a positive control"?

"A normal control" represents the expected outcome in the absence of any experimental intervention. In contrast, a positive control is designed to produce a known, positive result, confirming that the experimental setup is working correctly.