Faraz Siddiqui

5 Questions 4 Answers 0 Followers

Questions related from Faraz Siddiqui

Can i use Qualtrics software as a tool for developing a database for my research?

Hi, I am working on a public health research project which is based on paper based interviews. I am trying to figure out whether i can design a database in Qualtrics on to which i could enter the...

01 January 2018 6,088 2 View

How to create a new categorical variable based on an existing time variable in STATA?

I have a time variable on the basis of which i wish to categorize my study subjects into groups (for eg 09:00am-05:00pm becomes group 1, and 5:00pm-9:00am becomes group 2). i am trying to figure...

08 August 2016 5,357 2 View

In multicenter trials, does reporting the overall result require the presence of equal variances?

What are the requirements for reporting results in a multicenter, randomized clinical trial?

12 December 2013 1,858 3 View

What does "pooling of results" mean?

An article I came across, which was an analysis of two prospective study cohorts (one male cohort and one female cohort) provided a pooled results of the combined cohorts for the particular...

12 December 2013 6,720 6 View

Can someone advise on whether the NCSS-PASS software can be used to calculate sample size and power for observational studies?

Also if someone could tell me of any relevant software for observational studies?

08 August 2013 3,750 1 View