A causal link connects a cause variable with an effect variable by a link with a positive or negative charge.
A causal link connects a cause variable with an effect variable by a link with a positive or negative change.
After controlling for these variables, an effect for attitude towards religion, scientism, and teacher education program could not be detected anymore.
Family structure was considered as both an independent variable and an effect modifier and was defined as a binary variable, categorising nuclear and traditional/extended family structure.
Baseline data on plateau airway pressure were insufficiently reported to evaluate this variable as an effect modifier.
The difference in total SCIP score, for the education variable, reached an effect size of 0.78.
A variable showed an effect and was identified as a confounder, if it had changed estimator more than 10%.
By using this continuous outcome variable, a floor effect in patients with relatively low disease activity was prevented.
Tests for interaction also indicated that neither of these variables is an effect modifier.
ANCOVA was used to examine whether certain scale variables have an effect on the differences observed between multiple independent groups.
