It is possible for a study to have statistically significant results but a small effect size.

Question

Quizplus · Accepted Answer

A study can have statistically significant results if the results show a significant difference between groups, but the effect size may be small, meaning that the difference between groups is not very large. This can happen if there is a large sample size, making even small differences statistically significant.

It Is Possible for a Study to Have Statistically Significant