Selection bias in studies with unequal allocation [electronic resource] / Olga M. Kuznetsova.
Material type: FilmSeries: Henry Stewart talksBiomedical & life sciences collection. Design and analysis of randomized clinical trials : design, analysis & theory: Publisher: London : Henry Stewart Talks, 2020Description: 1 online resource (1 streaming video file (12 min.) : color, sound)Subject(s): Clinical trials -- Statistical methods | Drugs -- Testing | Quality control | Ranking and selection (Statistics) -- Evaluation | Reliability | Sampling (Statistics) | Biostatistics -- methods | Drug Evaluation -- methods | Models, Statistical | Random Allocation | Randomized Controlled Trials as Topic -- methods | Research Design | Selection BiasOnline resources: Click here to access online | SeriesAnimated audio-visual presentation with synchronized narration.
Title from title frames.
Contents: Origins of selection bias in clinical trials -- Blackwell-Hodges model for selection bias -- Derivation of selection bias with unequal allocation -- Directional guessing strategy -- Directional guessing strategy with permuted block randomization -- Directional strategy maximizes selection bias -- Directional strategy with biasing threshold -- Directional strategy with biasing threshold and large permuted blocks -- Brick Tunnel Randomization -- Undisclosed use of the Brick Tunnel Randomization reduces selection bias.
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Mode of access: World Wide Web.