"strong correlation" means that there is a close relationship between two things or variables. It implies that changes in one thing are usually associated with consistent changes in the other thing. Full definition
The numbers also show strong correlations between providing out - of - classroom learning experiences and better compliance records, reduced error, improved employee engagement, and reduced time to productivity. (elearningindustry.com)
By using these measures, we might find stronger correlations than we did when examining individual differences. (interpersona.psychopen.eu)
In that regard, dozens of studies have shown strong correlations between sponsored research and favorable outcomes for the sponsors. (dotearth.blogs.nytimes.com)