Bhakta KC

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Questions related from Bhakta KC

How much sample size is necessary for the cross sectional study done in school/college level students about their smoking and drinking behaviors?

· Sample size – Prevalence of current tobacco users (po) = 50% = 0.5 – Level of significance (α) = 5% – Z1-α/2 = 1.96 – Margin of error (d) = 5% – Design effect (DE) = 2 – Using formula, Sample...

27 September 2020 8,237 7 View

What methods of data collection tools for research can be use in this covid time?

The paper based questionnaires and interview methods appear to be risky in covid time in terms of disease transmission by the processes . So I need the alternative method of data collection where...

01 January 1970 4,895 6 View