Conover’s F Test as an Alternative to Durbin’s Test
نویسندگان
چکیده
Sometimes the number of treatments to be compared is so large that a complete blocks experiment is impractical. This happens, for example, in some agronomic variety trials. A balanced incomplete block (BIB) design can be used in such a situation. In sensory evaluation trials loss of sensitivity can occur when the subjects are not be able to compare more than a few products with any certainty. Again BIB designs are useful. Consider a balanced incomplete block design with the data being ranks within blocks. A traditional test for treatment differences for such a scenario is the Durbin (1951) test, based on the statistic D, given by
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