Khadai test precision and confidence of a tool to count the number of times in the rose-sat. The test will use the tools created and standard tool (person) by testing in different places is a testing tool, the indoor and outdoor areas by brought up the comparison the differences by finding a Pearson correlation coefficient value by.Chok, Chee who tested the tool number 5 people each, a total of 4 times, 40 times the results found that the test group tested the tools created and used a standard tool (person) do not count how many different times in the rose-sat. Can be used to count the number of times in the rose-sat. With the confidence of the test values equal to 1.00.
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