Gourab Dewan

6 Questions 4 Answers 0 Followers

Questions related from Gourab Dewan

How to use population proportion for sample size estimation?

When determining sample size we require population proportion (p) for a dichotomous outcome that to be measured (at 95% CI , 3% error ). If the proportion (p) is unknown a conservative estimate of...

12 December 2016 506 3 View

How to test reliability of two way close ended (yes /no) question based knowledge scale?

Likert scale used to asses attitude or opinion of participants. Reliability of such a scale is assessed by Cronbach's alpha test. Now to create a knowledge score on vaccine preventable diseases....

11 November 2016 507 4 View

In performing studies with finite population we have separate equation for sample size calculation. whether obtained result can be genaralized ?

Suppose i want to check smoking habit among physicians of certain country. There are 20 thousand (N) physician. We cannot include all.One way is i can take representative sample from 20 thousand....

11 November 2016 1,839 7 View

Suppose you want to calculate allele frequency of ABO system in a population of 1000 using Hardy-Weinberg formula. What will be minimum sample size ?

Is there any formula which is needed to fix sample size for calculation of allele or genotypic frequency of a certain trait (eg ABO blood group) using Hardy-Weinberg formula? if so for the...

06 June 2016 4,665 5 View

Which website will allow free access to know how many citations made from a certain journal in a certain period of time?

I want to know number of citations for a particular journal within a defined time period. Any website that provide such data free?

01 January 2015 4,347 1 View

Any publications available on malaria epidemiology in Tripura or Mizoram of India or compares border malaria patterns between India and Bangladesh?

I want to know about malaria epidemiology in tripura and mizoram. I want to know if any comparative study took place on malaria across border of India & Bangladesh.

01 January 2015 1,719 3 View