Wahyu Hidayati

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Validity and reliability need re-test for the next research?

Is a questionnaire that has been tested for validity and reliability, must be tested again when the questionnaire will be used? if there are already test results for a certain country's version,...

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Sample size for quasi experiment quasi experimental nonequivalent control group design

My research will be held in the hemodialysis unit, using a quasi-experimental design nonequivalent control group design in hemodialysis patients of a hospital with a population of 74 patients...

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Standards to make some tables (ordinal/ratio/interval) data in our manuscript

Any standards we can use to make some tables (ordinal/ratio/interval data) in our manuscript?

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