The paper reviews both the influencing factors and calculation strategies of sample size
determination for survey research. It indicate the factors that affect the sample size …

Sample size determination is often an important step in planning a statistical study—and it is
usually a difficult one. Among the important hurdles to be surpassed, one must obtain an …

Presents the practical and statistical information needed to help investigators decide how
large a sample to select from a population targeted for a health study or survey. Desgned to …

One of the most important problems in designing an experiment or a survey is sample size
determination and this book presents the currently available methodology. It includes both …

A major concept in clinical and experimental studies is the selection of subjects or units for
the conduct of studies. This is essentially in order to make acceptable inferences that can be …

Perhaps the most frequently asked question concerning sampling is," What size sample do I
need?" The answer to this question is influenced by a number of factors, including the …

Comments on the article by L. Wilkinson & the Task Force on Statistical Inference (TFSI)(see
record 1999-03403-008) which was meant to initiate discussion in the field about changes in …

One of the most common reasons why researchers seek help from statistician is sample size
calculation. However despite the common believe that it only involves formula and …

Ака an investigator has decided whom and what she is going to study and the design to be
used, she must decide how many subjects to sample. Even the most rigorously executed …

Calculation of exact sample size is an important part of research design. It is very important
to understand that different study design need different method of sample size calculation …