There were limited data in coastal waters for TN and TP, which EPA identified as key causal variables in the context of numeric criteria development.
Maybe this is quibbling with your question, of trying to disaggregate the causal variable.
These coefficients indicate by how many standard deviations the effect variable would change if the causal variable was changed by one standard deviation.
"Nursing Shortage Is Raising Worries on Patients' Care" (front page, April 8) doesn't mention a key causal factor in this crisis.
And so identifying which is the main causal variable seems pretty important". Identifying those variables will be the first step to figuring out how to weed out these stereotypes as soon as they take root.
Here, we will introduce additional variables that may in fact be the true causal variable.
What are the key causal mechanisms responsible for particular outcomes?
A causal relation is represented by a single-headed arrow from the causal variable to the effect variable.
For example, Donor, Ritchie, and Slater [ 22] maintain that the key to understanding variation in economic bureaucratic performance is not by treating formal bureaucratic design as causal variables, but as outcomes of concern, with national elite interests and coalitional survival strategies as key causes.
It's the genuinely causal variables that make a student ready for college that we should be seeking to understand.
Bauman AE, Sallis JF, Dzewaltowski DA, Owen N. Toward a better understanding of the influences on physical activity: the role of determinants, correlates, causal variables, mediators, moderators, and confounders.
