The word "correlational" is used to describe a relationship or connection between two or more things. It shows if there is a pattern or tendency for one thing to change when another thing changes. Full definition
Findings from a large number of correlational studies on language have shown that frequency of exposure strongly predicts word learning and seems to have long - range consequences for later language and reading levels.35 Although this finding is often mentioned in the literature, what is new is that we may have underestimated the frequency required to learn words. (aft.org)
This follow - up experiment overcomes the limitations of correlational data by demonstrating that spending money on things that match a person's personality can cause an increase in happiness. (sciencedaily.com)
These studies are important because of their evident clinical relevance, but also because studies that involve interventions provide greater information on causal processes between sensitivity and development, than do correlational designs. (erudit.org)