The phrase "significant difference" refers to a noticeable or important distinction between two things. It means that there is a considerable contrast or impact that can be observed or measured. Full definition
These and other distinctions may result in significant differences in investor returns. (nextshares.com)
As any researcher knows, with such a large sample you are guaranteed to find statistically significant differences between groups. (god-knows-what.com)
An important conclusion of this study was that fathers make significant differences for the better in the lives of their at - risk children. (motherhoodinpointoffact.com)