However, a recent meta-analysis, Dalal (2005), found that this is not the case.

A recent meta-analysis suggests that there is no clear relationship, and that perhaps previous studies have been confounded by other factors.

A recent meta-analysis suggests that atorvastatin may also lower Lp(a) levels.

A recent meta-analysis found surprisingly low correlations between job satisfaction and performance.

A recent meta-analysis of contingency management in drug programs showed that it has a large effect.

A recent meta-analysis has also shown a specific lesion common to achromats corresponding to V4.

However, a recent meta-analysis of research on training and experience suggests that experience level is only slightly related to accuracy in clinical judgment.

A recent meta-analysis finds that democracy has no direct effect on economic growth.

The most recent meta-analysis (2006) failed however to find a significant effect.

A recent meta-analysis about self-efficacy (more generally) supports this conclusion as well.