Better questions. Better measurement. Better evidence.
Explore research methodology, statistics, quantitative psychology and data-informed decision-making for researchers, educators and professionals.
Most published psychology is read for its conclusion and judged on its abstract. The interesting part is usually further in: how the question was framed, what the design could and could not show, which comparison was planned and which was found afterwards. This is where we write about methodology, statistics and quantitative psychology for people who must produce or evaluate evidence rather than cite it.
3 articles
Newest first
Correlation, causation and the career report
The gap between “these two things go together” and “this one produced that one” is where most over-claiming happens.
Sample, population, and why the norms matter more than the score
A test result is a comparison. If you do not know the comparison group, you do not have a result.
Regression to the mean, and why the second test looks worse
One of the most useful ideas in measurement, and the one whose absence produces the most confident wrong conclusions.
