**randomized block** — noun : an experimental design (as in horticulture) in which different treatments are distributed in random order within a block or plot … Useful english dictionary

**Randomized block design** — In the statistical theory of the design of experiments, blocking is the arranging of experimental units in groups (blocks) that are similar to one another. Typically, a blocking factor is a source of variability that is not of primary interest to … Wikipedia

**randomized block design** — noun see randomized block … New Collegiate Dictionary

**Randomized controlled trial** — Flowchart of four phases (enrollment, intervention allocation, follow up, and data analysis) of a parallel randomized trial of two groups, modified from the CONSORT (Consolidated Standards of Reporting Trials) 2010 Statement[1] … Wikipedia

**Block design** — In combinatorial mathematics, a block design (more fully, a balanced incomplete block design) is a particular kind of set system, which has long standing applications to experimental design (an area of statistics) as well as purely combinatorial… … Wikipedia

**Completely randomized design** — In the design of experiments, completely randomized designs are for studying the effects of one primary factor without the need to take other nuisance variables into account. This article describes completely randomized designs that have one… … Wikipedia

**Analysis of variance** — In statistics, analysis of variance (ANOVA) is a collection of statistical models, and their associated procedures, in which the observed variance in a particular variable is partitioned into components attributable to different sources of… … Wikipedia

**Design of experiments** — In general usage, design of experiments (DOE) or experimental design is the design of any information gathering exercises where variation is present, whether under the full control of the experimenter or not. However, in statistics, these terms… … Wikipedia

**Restricted randomization** — Many processes have more than one source of variation in them. In order to reduce variation in processes, these multiple sources must be understood, and that often leads to the concept of nested or hierarchical data structures. For example, in… … Wikipedia

**Oscar Kempthorne** — Born January 31, 1911(1911 01 31) St. Tudy, Cornwall Died November 15, 2000(2000 11 15) (aged … Wikipedia