intervening variable वाक्य

To establish that the prime implicants or descriptive inferences derived from the data by the QCA method are causal requires establishing the existence of causal mechanism using another method such as process tracing, formal logic, intervening variables, or established multidisciplinary knowledge.
The largest study of this sort, with a sample size of over 90, 000, replicated these results and also showed that non-AP students performed with equal levels of academic achievement as AP students who did not take their course's AP exam even after controlling for over 70 intervening variables.
Whether ethnicity feeds into a stratification system as a direct, causal factor or as an intervening variable may depend on the level of ethnocentrism within each of the various ethnic populations in a society, the amount of conflict over scarce resources, and the relative social power held within each ethnic category.