You Say Replication. I say Meta-analysis.
In this article from Time Higher Education, WOLFGANG STROEBE and MILES HEWSTONE ask “What have we learned from the Reproducibility Project?” The short answer is — in their opinion — not much. Instead, they argue that the replicating researchers would have used their time more productively if they had conducted a meta-analysis. To read more, click here.
(traditional) Meta-analysis alone is not sufficient; since the literature is flooded by statistically significant results, and insignificant results are suppressed, meta-analysis will provide a grossly overestimated effect size estimate.
– Marcel van Assen