Pronunciation: [kəntɹˈə͡ʊld tɹˈa͡ɪə͡l] (IPA)

A controlled trial is a type of research study that involves comparing the effects of a treatment or intervention on a group of participants against a control group. The spelling of the word "controlled trial" is pronounced as /kənˈtroʊld traɪəl/. The phonetic transcription shows that the word starts with the sound "kuh" followed by the sound "n-t-r-o-l-d". The second part of the word begins with the sound "try" and ends with the sound "uhl". Proper spelling of this term is essential for clear and concise communication in medical research.

CONTROLLED TRIAL Meaning and Definition

A controlled trial refers to a type of scientific experiment designed to evaluate the effectiveness or safety of a particular intervention. It is a methodical approach used in various fields, including medicine, psychology, and social sciences, to establish a cause-and-effect relationship between an intervention and its outcomes.

In a controlled trial, participants are randomly divided into two or more groups: the experimental group that receives the intervention being studied and the control group that does not. The purpose of randomization is to minimize confounding variables and ensure that any observed differences between the groups are solely attributable to the intervention.

During the trial, both groups are followed up and measured to assess the impact of the intervention. The key distinction in a controlled trial is the presence of a control group, which allows researchers to compare the outcomes between the intervention group and the group that did not receive the intervention. This enables researchers to isolate the specific effects of the intervention, separate from other factors that might influence the outcome.

Controlled trials often incorporate blinding, where participants and/or researchers may be unaware of which group they belong to. Blinding helps minimize bias and ensures that the results are objective.

Controlled trials are considered the gold standard for evaluating the efficacy or safety of interventions as they provide robust evidence and generate high-quality data. The results of controlled trials are critical in informing policies, clinical practice guidelines, and decision-making processes in various fields.

Common Misspellings for CONTROLLED TRIAL

  • xontrolled trial
  • vontrolled trial
  • fontrolled trial
  • dontrolled trial
  • cintrolled trial
  • ckntrolled trial
  • clntrolled trial
  • cpntrolled trial
  • c0ntrolled trial
  • c9ntrolled trial
  • cobtrolled trial
  • comtrolled trial
  • cojtrolled trial
  • cohtrolled trial
  • conrrolled trial
  • confrolled trial
  • congrolled trial
  • conyrolled trial
  • con6rolled trial
  • con5rolled trial


The word "controlled trial" is composed of two parts: "controlled" and "trial".

The term "trial" in this context refers to an experimental study or investigation conducted to evaluate the effects or outcomes of a particular intervention or treatment. The word "trial" has its origins in Middle English, derived from the Old French word "trialle" meaning a "testing" or "attempt".

The word "controlled" in this context refers to the manner in which the study is conducted, where specific interventions or treatments are carefully managed and compared against a control group. The term "control" itself comes from Middle English, derived from the Anglo-French word "contreroller", meaning to "check" or "verify".

Therefore, the etymology of the phrase "controlled trial" suggests that it refers to an experimental study or investigation where specific interventions or treatments are carefully managed and compared against a control group.



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