Types of Observational Studies Observational studies are research in which the investigator observes and records data from the study participants…
As a research student, you know the importance of basing your work on solid evidence. But what is empirical evidence,…
What is a Hypothesis? A hypothesis is an explanation or prediction proposed for a phenomenon or observation. It is an…
What is Publication Bias? Publication bias is the phenomenon where the results of a study are more likely to be…
