Latin square


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La·tin square

(la'tin sqwār),
A statistical design for experiments that removes from experimental error the variation from two sources that may be identified with the rows and columns of a square. The allocation of experimental treatments is such that each treatment occurs exactly once in each row and column. For example, a design for a 5 × 5 square is as follows:
References in periodicals archive ?
Phase 1 study treatment design (latin square) (Condition 1 = asymptomatic; Condition 2 = symptomatic; Condition 3 = symptomatic-treated) Period 1 Period 2 Period 3 Group A Condition 1 Condition 2 Condition 3 Group B Condition 2 Condition 3 Condition 1 Group C Condition 3 Condition 1 Condition 2 Table 2.
The resulting statistics from the Latin square ANOVA were F(2, 42) = 14.94, p < .001.
A B B A B A A B Given S = {1,2,3} we have 3 Latin Squares of Order(3)
If a square contains a Latin Square properly the square is called a Smarandache Mukti-Square or SMS.
The orthogonal decomposition (8) is a basic tool in Experimental Designs, particularly, for Latin square designs.
For each size of Latin square grid, you can create a number of different answers which will work.
The parallel patterned conditions were placed next to black and clear conditions in a Latin Square configuration to reduce possible biases due to adjacent combinations.
"We use an experimental design called the Latin Square in which each dog serves as its own control," he said.
Development of the Experiment Within the Group with the General Reading Task activity session 1 session 2 reading of one of the two texts in one of the two X X conditions (see Latin square design) test on text comprehension X X vocabulary test X X interview and general questions X X delayed test on the vocabulary of the text read in X previous session activity session 3 reading of one of the two texts in one of the two conditions (see Latin square design) test on text comprehension vocabulary test interview and general questions delayed test on the vocabulary of the text read in X previous session
Volunteers were randomized into three groups (15 subjects each) based on the sequence of soluble/insoluble copper salt that they received following a Latin square design (Figure 1).
([double dagger]) Cultivar served as one of the check cultivars in the Latin square design.
The simplest of these is a Latin square, which deals with three factors on the basis of relatively few observations.