RMB302Xuất hiện trong 1 đề thi
Which of the following is true?
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AA variable has a causal effect on another variable if both variables increase or decrease simultaneously.
BThe notion of 'ceteris paribus' plays an important role in causal analysis.
CDifficulty in inferring causality disappears when studying data at fairly high levels of aggregation.
DThe problem of inferring causality arises if experimental data is used for analysis.