The phrase "a straight correlation" is correct and usable in written English.
It can be used when discussing a direct or linear relationship between two variables or factors.
Example: "The study found a straight correlation between hours studied and exam scores, indicating that more study time leads to better performance."
Alternatives: "a direct correlation" or "a linear correlation".
Plus, there isn't a straight correlation between online engagement and offline polling.
And normally, there is a straight correlation between customer satisfaction, which probably equates to performance, and profit".
Like many high achievers of his generation, Neil was a grammar school boy and he made a straight correlation between the arrival of comprehensive secondary education and the rebirth of the English political elite.
"It's hard to tell if there is a straight correlation between game and grades," he said.
A straight correlation between the density of reduced sites (p, 1016sr·gcat−1), evaluated in steady-state conditions by O2 chemisorption, and the reaction rate has been disclosed.
In order to take the best of both modeling techniques, we propose an equivalent circuit model which keeps a straight correlation between its parameters and the battery electrochemical principles.
For Mollusca, the plot exhibits a nearly straight correlation between alpha diversity and its contribution to gamma diversity.
In order to evaluate why data sets do not perfectly fit with a straight line correlation model, we divided T-UCRs into three groups: highly (CqNA ≤ 25), moderately (25 < CqNA ≤ 30), and low expressed (30 < CqNA ≤ 35) T-UCRs.
In a similar way, the VvZIP3 expression profile, its straight correlation with the Zn accumulation pattern during development of reproductive organs, and it's up-regulation in response to an increase in vascular Zn content, suggests a participation of VvZIP3 in the Zn loading during early reproductive developmental stages.
