An adequate theory of inference generation should accurately predict w
hether particular classes of knowledge-based inferences are generated
''on-line'' during text comprehension. This article proposes a theory
which can account for available empirical findings in cognitive psycho
logy and discourse processing, including those reported in this issue
of Discourse Processes. The proposed ''constructionist'' theory incorp
orates: (a) the goals of the reader, (b) explanations of why actions a
nd events in the text occur, (c) coherence at local and global levels,
and (d) the activation of inferences from multiple information source
s.