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What (who) is randomised [randomized, -USA] - definition

EXPERIMENTAL METHOD DESIGNED TO REDUCE BIAS, TYPICALLY ACCOMPLISHED BY RANDOMLY ALLOCATING SUBJECTS TO TWO OR MORE GROUPS, WITH ONE BEING A CONTROL GROUP

Randomised controlled trial; Randomized controlled trials; Randomized control trial; Randomised control trial; Randomized clinical trial; Randomized evaluation; Randomized control trials; Open trial (medical); Randomized Controlled Trial; Randomized clinical trials; Randomised-controlled trial; DbRCT; Randomized controlled studies; Controlled trial; Randomised controlled trials; Randomized evaluations; Randomized comparative trial; Randomised comparative trial; Randomised trial; Double-blind placebo controlled trial; Double-blind placebo-controlled trial; Randomised, controlled study; Randomized controlled experiments; Placebo controlled double blind trial; Randomized study; Randomised clinical trial; Randomized controlled study; Randomized controled trial; Draft:Strength of evidence

Randomized controlled trial

A randomized controlled trial (or randomized control trial; RCT) is a form of scientific experiment used to control factors not under direct experimental control. Examples of RCTs are clinical trials that compare the effects of drugs, surgical techniques, medical devices, diagnostic procedures or other medical treatments.

https://en.wikipedia.org/wiki/Randomized_controlled_trial

Cluster randomised controlled trial

Cluster randomised trial; Cluster randomized controlled trial; Cluster randomized trial; Cluster randomised controlled trial

A cluster randomised controlled trial is a type of randomised controlled trial in which groups of subjects (as opposed to individual subjects) are randomised. Cluster randomised controlled trials are also known as cluster randomised trials, group-randomised trials, and place-randomized trials.

https://en.wikipedia.org/wiki/Cluster_randomised_controlled_trial

Treap

BINARY SEARCH TREE IN WHICH THE NODES ARE HEAP-ORDERED BY RANDOM PRIORITIES

RBST (algorithm); Randomized binary search tree; Randomized search tree; Randomised binary search tree

In computer science, the treap and the randomized binary search tree are two closely related forms of binary search tree data structures that maintain a dynamic set of ordered keys and allow binary searches among the keys. After any sequence of insertions and deletions of keys, the shape of the tree is a random variable with the same probability distribution as a random binary tree; in particular, with high probability its height is proportional to the logarithm of the number of keys, so that each search, insertion, or deletion operation takes logarithmic time to perform.

https://en.wikipedia.org/wiki/Treap

Wikipedia

Randomized controlled trial

A randomized controlled trial (or randomized control trial; RCT) is a form of scientific experiment used to control factors not under direct experimental control. Examples of RCTs are clinical trials that compare the effects of drugs, surgical techniques, medical devices, diagnostic procedures or other medical treatments.

Participants who enroll in RCTs differ from one another in known and unknown ways that can influence study outcomes, and yet cannot be directly controlled. By randomly allocating participants among compared treatments, an RCT enables statistical control over these influences. Provided it is designed well, conducted properly, and enrolls enough participants, an RCT may achieve sufficient control over these confounding factors to deliver a useful comparison of the treatments studied.

https://en.wikipedia.org/wiki/Randomized controlled trial