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Wi th this first issue of the year 2005, we celebrate the 83rd anniversary of the American Journal of Physical Medicine and Rehabilitation (AJPMR). AJPMR was founded in 1922 and has been published since the very first issue by Williams & Wilkins (now Lippincott Williams & Wilkins). AJPMR is a vehicle for communicating new ideas and research findings about(More)
A cross-over experiment involves the application of sequences of treatments to several subjects over a number of time periods. It is thought that the observation made on each subject at the end of a time period may depend on the direct effect of the treatment applied in the current period, and the carry-over effects of the treatments applied in one or more(More)
Resolvable row-column designs are widely used in field trials to control variation and improve the precision of treatment comparisons. Further gains can often be made by using a spatial model or a combination of spatial and incomplete blocking components. Martin, Eccleston, and Gleeson presented some general principles for the construction of robust spatial(More)
The aim of a business statistics course should be to help students think statistically and to interpret and understand data, rather than to focus on mathematical detail and computation. To achieve this students must be thoroughly involved in the learning process, and encouraged to discover for themselves the meaning, importance and relevance of statistical(More)
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