ELIZA

return kwic search for effect out of >500 occurrences
566982 occurrences (No.17 in the rank) during 5 years in the PubMed. [no cache] 500 found

380) The authors developed one, two and three degrees of freedom score tests for treatment effect in the TED and give formulae for asymptotic power and for sample size computations.

--- ABSTRACT ---

PMID:22143405 DOI:10.1177/0962280211431023

2015 Statistical methods in medical research

* A two-way enriched clinical trial design: combining advantages of placebo lead-in and randomized withdrawal.

- A new clinical trial design, designated the two-way enriched design (TED), is introduced, which augments the standard randomized placebo-controlled trial with second-stage enrichment designs in placebo non-responders and drug responders. The trial is run in two stages. In the first stage, patients are randomized between drug and placebo. In the second stage, placebo non-responders are re-randomized between drug and placebo and drug responders are re-randomized between drug and placebo. All first-stage data, and second-stage data from first-stage placebo non-responders and first-stage drug responders, are utilized in the efficacy analysis. The authors developed one, two and three degrees of freedom score tests for treatment effect in the TED and give formulae for asymptotic power and for sample size computations. The authors compute the optimal allocation ratio between drug and placebo in the first stage for the TED and compare the operating characteristics of the design to the standard parallel clinical trial, placebo lead-in and randomized withdrawal designs. Two motivating examples from different disease areas are presented to illustrate the possible design considerations.

--- ABSTRACT END ---

[
right
kwic]

[frequency of next (right) word to effect]

(1)232 of	(7)9 size	(13)3 estimates	(19)2 from
(2)86 on	(8)6 and	(14)3 for	(20)2 relationships
(3)30 null	(9)4 against	(15)2 (RIBE)	(21)2 that
(4)21 was	(10)3 at	(16)2 analysis	(22)2 to
(5)15 in	(11)3 between	(17)2 are
(6)13 is	(12)3 by	(18)2 estimator

add keyword

--- WordNet output for effect --- =>趣旨, 結果, 影響, 効力, 活動, 印象, 効果, 成し遂げる Overview of noun effect The noun effect has 6 senses (first 5 from tagged texts) 1. (101) consequence, effect, outcome, result, event, issue, upshot -- (a phenomenon that follows and is caused by some previous phenomenon; "the magnetic effect was greater when the rod was lengthwise"; "his decision had depressing consequences for business"; "he acted very wise after the event") 2. (11) impression, effect -- (an outward appearance; "he made a good impression"; "I wanted to create an impression of success"; "she retained that bold effect in her reproductions of the original painting") 3. (9) effect -- (an impression (especially one that is artificial or contrived); "he just did it for effect") 4. (2) effect, essence, burden, core, gist -- (the central meaning or theme of a speech or literary work) 5. (1) effect, force -- ((of a law) having legal validity; "the law is still in effect") 6. effect -- (a symptom caused by an illness or a drug; "the effects of sleep loss"; "the effect of the anesthetic") Overview of verb effect The verb effect has 2 senses (first 2 from tagged texts) 1. (17) effect, effectuate, set up -- (produce; "The scientists set up a shock wave") 2. (3) effect -- (act so as to bring into existence; "effect a change") --- WordNet end ---