Abstract: The author reviewed the main theoretical models of simple causal induction from the two aspects of bottom-up data-driven processing and top-down knowledge-driven processing. Within the paradigm of bottom-up data-driven processing, there are the basic differences between associative accounts and computational accounts. Lastly, The author reviewed the basic problems of research on judgments of causal power of single causal relationships: the main impact factors and the mechanism of judgments of causal power, the methodological problem of the main research.

Key words: single causal relationships, causal judgments, causal knowledge, association, computation.