For much of the twentieth century, mainstream literary criticism treated a text's meaning as something fixed inside the words themselves, waiting to be correctly extracted by a sufficiently careful reader. Reader-response theory, developed by critics including Wolfgang Iser and Stanley Fish from the 1960s onward, pushed back against that assumption directly: meaning, in this account, isn't sitting inside the text alone. It's produced in the act of reading itself, built jointly by the text and the specific reader engaging with it.
Gaps the text leaves for the reader to fill
Iser's version of the theory focused on what he called the text's gaps, or indeterminacies — places where a text doesn't spell everything out, leaving space the reader has to fill in using their own inference, expectation, and prior experience to make sense of the whole. Two different readers, filling those same gaps differently based on what they each bring to the text, can reasonably arrive at genuinely different, defensible readings of the identical words on the page — not because one of them is careless, but because reading itself is partly a constructive act, not a purely receptive one.
Fish's more radical version: the reader creates the text's structure too
Stanley Fish pushed the idea further, arguing that even a text's basic literary features — where a sentence's meaning seems to shift, what counts as a significant pause or ambiguity — aren't objectively sitting in the words waiting to be found, but are themselves produced by a reader trained by a specific "interpretive community" to notice and respond to certain features in certain ways. Change the trained expectations a reader brings, in Fish's account, and you don't just get a different opinion about the same text — you get, in a meaningful sense, a different text being read.
What we're still unsure about
Reader-response theory's harder critics have long pushed back that, taken to its logical extreme, it risks collapsing any meaningful distinction between a careful, well-supported reading and an arbitrary, indefensible one — if meaning is always partly constructed by the reader, what stops any interpretation, however strained, from being equally valid? Reader-response theorists themselves have offered different answers — Fish leans on the constraints of a shared interpretive community; others point to textual evidence still ruling out some readings even if it doesn't dictate one single correct reading — but how much genuine interpretive freedom the theory actually licenses, versus how much it's misread as endorsing, remains a real, ongoing dispute in literary theory.
This sits inside Reader-Response Theory, one of seven topics in Literary Analysis, one of five domains in Literature, one of seventeen subjects the app can quiz you on.