Category Archives: Uncategorized
Multiple Mediation in Stata
This post will show how to test a mediation model with more than one mediator using Stata. In order to illustrate it, I will build on the example I used in my simple mediation post by adding job anxiety as … Continue reading
Mediation Analysis using Stata: one mediator
This post shows how to test simple mediation using Stata with and without the use of latent variables. Continue reading
Mediation Analysis: an introduction
Mediation is defined in statistics as a model that tries to explain the mechanism through which an independent variable (X) influences an outcome (Y) via the intervening effect of a third variable, known as mediator or mediating variable (M). It … Continue reading
Online surveys: things to know about designing them
For many researchers online survey tools such as survey monkey have really changed their lives. Online surveys, not only it make designing a questionnaire easy but it also provides access to your target population. Those days of hard fieldwork knocking … Continue reading
Bringing statistics to the people
I have been a researcher and biostatistician for over a decade. I have written grants, papers and many statistical reports, yet I never thought about starting my own blog and talk about what I am good at. But we are in the … Continue reading