Mixed Results in Sets of Studies

Lecture 4.1 from my free online MOOC "Improving Your Statistical Questions" https://www.coursera.org/learn/improv... There will be variation in single studies, and we need to think about science in more cumulative ways. We will discuss why not all studies can be expected to be significant in lines of research, even when there is a true effect, and how to deal with this when submitting research for publication.