Between Confidence and Credibility
Some researchers confuse frequentist confidence intervals and Bayesian credible intervals.
This article gives an overview of differences between these two intervals.
Frequentist and Bayesian
In the 2019 political science compendium book Sex, Lies and Politics, one academic states:
The grey of the graph represents the width of the confidence interval, indicating a 95 per cent probability that the true score lies within this area.