randomly assigned to two groups

USAGE SUMMARY

The phrase "randomly assigned to two groups" is correct and usable in written English.
It can be used in contexts involving research, experiments, or studies where participants are divided into groups without any specific criteria. Example: "In the study, participants were randomly assigned to two groups to evaluate the effectiveness of the new treatment."

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

They were randomly assigned to two groups.

Harvard University

Initially, they were randomly assigned to two groups.

Harvard Business Review

Yorkshire swine were randomly assigned to two groups: QCG (n = 13) or control (n = 13).

Annals of Medicine and Surgery

Thirty-two lambs were randomly assigned to two groups (N = 16).

Applied Animal Behaviour Science

A total of 228 patients were randomly assigned to two groups.

Seminars in Orthodontics

Participants were randomly assigned to two groups, the treatment group and the control group.

Procedia - Social and Behavioral Sciences

Twenty-six 7–12 year-old children were randomly assigned to two groups.

Behaviour Research and Therapy

In this prospective study, patients were randomly assigned to two groups.

Reproductive BioMedicine Online

In a number of similar experiments, research participants are randomly assigned to two groups.

The New York Times

One hundred and twenty three consumers were randomly assigned to two groups and took part in one of the methods.

Food Quality and Preference

Thirty-six mares of similar breed and age, were randomly assigned to two groups for use in the second experiment.

Journal of Equine Veterinary Science

Expert writing Tips

Best practice

When describing experimental design, use "randomly assigned to two groups" to clearly indicate that participants were divided without bias, ensuring a control group for comparison. This strengthens the validity of your research findings.

Common error

Ensure you're using "randomly assigned to two groups" to describe the allocation of participants within your study, not the selection of the initial sample from a larger population. Random sampling addresses representativeness; random assignment addresses internal validity.

Linguistic Context

The phrase "randomly assigned to two groups" functions as a descriptive element, often within research methodologies. It specifies the method used for dividing participants into distinct experimental conditions. As Ludwig AI points out, the phrase follows standard grammar rules and is usable in written English.

Expression frequency: Very common

Frequent in

Science

75%

News & Media

14%

Academia

11%

Less common in

Formal & Business

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

The phrase "randomly assigned to two groups" is a common and grammatically sound expression, primarily used in scientific and research contexts. It signifies an unbiased allocation of participants in studies, enhancing the reliability of results. Ludwig AI indicates that the phrase follows standard grammatical rules and is usable in written English. While alternatives exist, such as "allocated randomly into two groups", the original phrase remains the most direct and widely understood. When using this phrase, ensure it refers to the division within a study, not the initial sample selection. Its high frequency in scientific literature underscores its importance in conveying methodological rigor.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

allocated randomly into two groups

Emphasis on allocation as the method, maintaining the randomness and division into two sets.

divided randomly into two groups

Focuses on the division aspect, highlighting the random nature of the split into two.

participants were assigned randomly to two groups

Highlights the participant aspect with the random assignment to the two groups

subjects were randomly allocated to two groups

Specifies 'subjects' and uses 'allocated', slightly more formal than 'assigned'.

randomly separated into two groups

Emphasizes separation rather than assignment, implying an initial unity.

split randomly into two groups

A more concise way to express the random division.

randomly placed into two groups

Highlights the act of placement, suggesting a physical grouping.

distributed randomly across two groups

Focuses on the distribution aspect across the two groups, suggesting a more even spread.

assigned to two groups via randomization

Reverses the phrasing to emphasize randomization as the method of assignment.

grouped into two sets randomly

Highlights the creation of sets from the group, with randomness as the grouping principle.

FAQs

How is "randomly assigned to two groups" used in research?

In research, "randomly assigned to two groups" indicates that participants have an equal chance of being placed into either the experimental or control group. This method helps to minimize bias and ensure that any differences observed are likely due to the intervention, not pre-existing differences between the groups.

What does it mean for participants to be "randomly assigned to two groups"?

When participants are "randomly assigned to two groups", it means each participant has an equal chance of being in either group. This is a core principle in experimental design, helping to control for confounding variables and strengthen causal inferences.

Is there an alternative to saying "randomly assigned to two groups"?

You could say "allocated randomly into two groups" or "divided randomly into two groups" depending on the nuance you want to convey, but "randomly assigned to two groups" is a clear and widely understood phrase.

Why is it important that participants are "randomly assigned to two groups" in a study?

Random assignment is crucial because it balances out known and unknown factors between the groups. Without random assignment, any observed differences between the groups might be due to pre-existing differences rather than the experimental manipulation. This ensures internal validity.