S0127 · hirsch_1978_grant_lee_study · registry identity

Grant and Lee vs Hegel Passage Study

Hirsch · 1978

study Hirsch's own3 occurrences across 2 books · load 6

Bears on

Canonical propositions this source was matched as evidence for.

P04 — Reading has two separable components — decoding the alphabetic code and comprehending meaning — and only decoding is a general skill teac…

P07 — The reading achievement gap between social groups is a gap in knowledge and language caused by unequal access to knowledge, not a gap in …

How Hirsch uses it

Every occurrence, grouped by book and chapter, with the claim it was linked to support and (where the extraction regenerated one) the underlying warrant.

1987 · Cultural Literacy

An experiment in Richmond, Virginia where 17- and 18-year-olds could not identify Grant and Lee.

direct Modern American schoolchildren lack basic factual knowledge regarding history, geography, and civic foundations.

ch 1 · empirical_study · cl:ch1_E16

Warrant (implicit): Failure to recognize the names of key historical figures in a controlled experiment serves as a proxy for a lack of the shared knowledge required for national communication.

could fail ifThe subjects may have been unfamiliar with those specific figures due to a localized curriculum that focused on different historical periods or themes.

Observation of community college students in 1978 struggling with a passage about Grant and Lee despite being able to read the words.

direct It is possible to read individual sentences perfectly while remaining unable to make sense of a text as a whole due to a lack of background knowledge.

ch 2 · anecdote · cl:ch2_E14

Warrant (implicit): Successful decoding of individual sentences in a text is insufficient for comprehension if the reader cannot synthesize them into a coherent whole.

could fail ifThe students might have been struggling with specific complex syntactic structures within the sentences rather than a lack of global synthesis.

2024 · The Ratchet Effect

An experiment using Bruce Catton’s text on Grant and Lee with university and community college students. Community college students' performance mirrored the university students' performance on Hegel, indicating a lack of familiarity with the subject matter.

direct Differences in reading performance between university students and community college students on historical topics are driven by differing levels of topical familiarity.

ch appendix-ii · empirical_study · re:chappendix-ii_E15

Warrant (implicit): Patterns of reading difficulty that mirror those found in unfamiliar technical texts indicate a lack of basic cultural or historical background knowledge in the reader.

could fail ifLower reading performance at community colleges may be due to lower baseline literacy skills (decoding/fluency) rather than a specific lack of 'Grant and Lee' knowledge.

Endnote numbers seen

Raw book:chapter:endnote references collected during endnote backfill.

cl:1:11

Raw source_reference strings seen

As they appeared before normalization/consolidation into this source identity.

Hirsch, 1970s experiment
Unspecified 1978 study