Before computers selected content based on stored values, the same idea appeared in print as branching and programmed texts. A reader was sent to different content depending on a choice or an answer, with their position in the book acting as a simple, manual form of state.
The earliest widely cited branching book is Consider the Consequences! by Doris Webster and Mary Alden (1930). Readers chose between options and turned to a numbered passage, decades before the Choose Your Own Adventure series (1979) popularized the format. There is no tracked state — only branches — but it established the pattern of content gated by reader choice.
A closer ancestor to quality-based narrative was Norman Crowder’s intrinsic programming, used in branching teaching books such as TutorTexts (Crowder, 1959). The reader answered a multiple-choice question, and each answer pointed to a different page that responded to that choice. The reader’s prior answers (their state) decided which content became available next — the core “prerequisite gates content” mechanism later formalized as storylet prerequisites.
The conceptual root of the digital side is Vannevar Bush’s Memex (1945). In “As We May Think,” Bush described a device for linking documents into associative trails the reader could follow and revisit. While never built, it set out the linked, conditionally navigable structure that hypertext, the sculptural model, and quality-based narratives would later make interactive and state-driven.
These pre-1970 examples share two ideas central to SimpleQBN: content exists as discrete chunks, and which chunk a reader reaches depends on prior choices.
Bush, V. (1945). As We May Think. The Atlantic Monthly, 176(1), 101–108. Retrieved from https://www.theatlantic.com/magazine/archive/1945/07/as-we-may-think/303881/
Crowder, N. A. (1959). Automatic Tutoring by Means of Intrinsic Programming. In E. Galanter (Ed.), Automatic Teaching: The State of the Art (pp. 109–116). John Wiley & Sons.
Webster, D., & Alden, M. (1930). Consider the Consequences! New York: The Century Co.