TY - ADVS AU - Kuznetsova,Olga M. TI - Selection bias in studies with unequal allocation T2 - Design and analysis of randomized clinical trials : design, analysis & theory, PY - 2020/// CY - London PB - Henry Stewart Talks KW - Clinical trials KW - Statistical methods KW - Drugs KW - Testing KW - Quality control KW - Ranking and selection (Statistics) KW - Evaluation KW - Reliability KW - Sampling (Statistics) KW - Biostatistics KW - methods KW - Drug Evaluation KW - Models, Statistical KW - Random Allocation KW - Randomized Controlled Trials as Topic KW - Research Design KW - Selection Bias N1 - Animated 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; Access restricted to subscribers UR - https://hstalks.com/bs/4377/ UR - https://hstalks.com/bs/p/15/ ER -