The civil groups that are used in the study is that Government officials, Army soldiers stationed at the communication Department of Bangkok, a government army that Thai nationality and including the Army (military draft) Non-Thai nationals. Employees employees store operators within the Department of Defense Communications, both Thai nationals in Bangkok and foreigners were all number 950 people
.The researchers used a simple sampling method (Simple Random Sampling) determines the size of the group, for example, the Government officials, the army uses roughly the size samples with 95% confidence motion expected value equal to.5 calculate the formula from Taro Yamane (Yamane 1973: 727-728, refers to works in medicine-2552 (2009) ablution: 23) 95% confidence level, sample size, number of 281 people
.
การแปล กรุณารอสักครู่..