But a report in Nature found cod and
haddock populations are approaching pre-collapse levels.
This could give rise to
a haddock population that survives the larva stage, but have small deficiencies that could make the individuals swim slower.
Not exact matches
In other words, studies with larger sample sizes are expected to have lower variances and will accordingly provide more precise estimates of the true
population effect size (Hedges and Olkin 1985; Shadish and
Haddock 1994; Cooper 1998).