a valid trial

USAGE SUMMARY

The phrase "a valid trial" is correct and usable in written English.
It can be used in contexts where you are discussing the legitimacy or acceptability of a trial, such as in legal, scientific, or experimental settings. Example: "The researchers ensured that they conducted a valid trial to obtain reliable results."

✓ Grammatically correct

Science

Human-verified examples from authoritative sources

Exact Expressions

4 human-written examples

The arrow was followed in 44% of the trials by the appearance of the target (a large asterisk) at the cued location (a "valid" trial), in another 16% of the trials at the opposite location (an "invalid" trial), and in 20% of trials, no target appeared (a "noise" trial).

Plosone

A valid trial was defined as one in which marker trajectories were not lost during the subject's gait and included at least one cycle per limb.

BioMed Research International

For a valid trial, we assume that the decision process is biased by the cue toward the correct bound (z + ∆ z).

Brain Structure and Function

A valid trial was defined as a stimulus bar being presented at the cued peripheral location, and an invalid trial was defined as a stimulus bar being presented at the uncued (opposite to the cued location) peripheral location.

Cognitive, Affective and Behavioral Neuroscience

Human-verified similar examples from authoritative sources

Similar Expressions

56 human-written examples

Obey probabilities were calculated for each subject across all valid trial pairs and analyzed with ANOVA.

Cerebral Cortex

Given a valid clinical trial result, it is equally important to determine whether the findings can be generalized.

Principles and Practice of Clinical Research

There is inadequate power to perform a valid clinical trial in pediatric heart transplantation (HT) using a conventional end-point, because the disease is rare and hard end-points, such as death or graft loss, are infrequent.

The Journal of Heart and Lung Transplantation

Google wants the state to recognise the more than 4m miles of virtual testing logged in company simulators as a valid controlled trial, though California's Department of Motor Vehicles does not view the virtual testing as a substitute for tires-on-the-pavement driving.

BBC

1 3 Allocation concealment is the most commonly evaluated quality characteristic in reviews of RCTs due to its crucial role as a key marker of internal validity of RCT. 4 Moreover, it is firmly established the conventional wisdom that adequate randomisation sequence generation is an essential part of a valid clinical trial.

BMJ Open

Calculations were done only for valid trial conditions (left and right hemifield) and separately for all cycle phases.

Brain Research

The regularity of the speed (rhythmic cue) or colour (symbolic cue) of the moving stimulus could predict the exact time at which a target would reappear after a brief occlusion (valid trials) or provide no temporal information (neutral trials).

Plosone

Expert writing Tips

Best practice

When describing research or experiments, clearly define what constitutes "a valid trial" within your specific context to avoid ambiguity. For example, specify the criteria for data inclusion or exclusion.

Common error

Avoid assuming that the criteria for "a valid trial" are universally understood. Explicitly state your criteria, as validity can vary significantly across different fields and experimental designs.

Linguistic Context

The phrase "a valid trial" functions as an adjective phrase modifying the noun "trial". As Ludwig AI confirms, it signifies that the trial meets the necessary conditions to be considered sound, legitimate, or acceptable.

Expression frequency: Uncommon

Frequent in

Science

100%

Less common in

News & Media

0%

Formal & Business

0%

Encyclopedias

0%

Ludwig's WRAP-UP

In summary, the phrase "a valid trial" is grammatically correct and functions to describe a trial that meets specific criteria for acceptance in a study or experiment. As Ludwig AI confirms, its use is generally found in formal and scientific contexts. When using this phrase, ensure you clearly define the criteria for validity within your specific context. While the frequency of "a valid trial" is uncommon, its meaning remains clear across the examples from Ludwig.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

a legitimate trial

Replaces "valid" with "legitimate", emphasizing the trial's conformity to accepted rules and standards.

a sound trial

Uses "sound" to indicate the trial is well-reasoned and reliable.

an acceptable trial

Substitutes "valid" with "acceptable", focusing on whether the trial meets the minimum required standards.

a reliable trial

Replaces "valid" with "reliable", stressing the consistency and dependability of the trial's results.

a well-conducted trial

Focuses on the quality of the trial's execution.

a rigorous trial

Highlights the thoroughness and strictness of the trial's methodology.

a credible trial

Replaces "valid" with "credible", focusing on the believability and trustworthiness of the trial.

a defensible trial

Emphasizes the trial's ability to withstand scrutiny and criticism.

a justifiable trial

Highlights that the trial is reasonable and can be supported by evidence and reasoning.

an authorized trial

Indicates that the trial has been officially approved or permitted.

FAQs

How can I define "a valid trial" in a scientific experiment?

Define "a valid trial" by establishing clear criteria for data inclusion based on factors such as adherence to protocols, absence of technical errors, and participant compliance. Specify these criteria in your methodology section.

What distinguishes "a valid trial" from "an invalid trial"?

A "valid trial" meets predefined criteria for data integrity and reliability, while "an invalid trial" fails to meet these criteria due to errors, inconsistencies, or deviations from the experimental protocol.

Are there alternatives to using the phrase "a valid trial"?

Yes, depending on the context, you could use phrases like "a legitimate trial", "a sound trial", or "a reliable trial" to convey similar meanings.

Why is it important to ensure trials are valid in research?

Ensuring trials are valid is crucial for the reliability and accuracy of research findings. Validity minimizes bias and errors, leading to more trustworthy and generalizable conclusions.