S0245 · chall_snow_1982_families_literacy · registry identity
Families and Literacy
Bears on
Canonical propositions this source was matched as evidence for.
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
Study showing disadvantaged first-graders perform as well as middle-class ones in sounding out letters.
direct There is no significant difference in reading performance between social classes in kindergarten and first grade.
Warrant (implicit): Equality in early mechanical skill acquisition indicates that later disparities in comprehension must be caused by differing levels of subsequent knowledge acquisition.
could fail ifDisparities in reading comprehension may emerge later due to the cumulative effects of home environment and socioeconomic stress rather than school curriculum alone.
Observation of reading performance gaps between advantaged and disadvantaged 5th graders linked to cultural knowledge.
direct A critical difference in reading performance between disadvantaged and advantaged fifth-graders is the difference in their cultural knowledge.
Warrant (implicit): Observed correlations between social advantage and reading comprehension in older children are primarily driven by the unequal distribution of cultural information.
could fail ifThe 'advantaged' pupils may have access to better healthcare, nutrition, and private tutoring, which improve cognitive performance independently of 'cultural' knowledge.
Report showing that disadvantaged children have equal technical reading skills at age six but diverge from peers later due to knowledge deficits.
direct Technical reading skills of disadvantaged children at age six are equal to those of children from literate families.
Warrant (implicit): If a group of children possesses the mechanical ability to read but shows a widening achievement gap as they age, the cause must be a lack of background knowledge rather than a lack of decoding proficiency.
could fail ifThe divergence could be caused by the cumulative advantage of social capital and networking opportunities available to literate families rather than specific knowledge deficits.
Endnote numbers seen
Raw book:chapter:endnote references collected during endnote backfill.
cl:1:27cl:5:2
Raw source_reference strings seen
As they appeared before normalization/consolidation into this source identity.
Chall, Snow, et al., Families and Literacy (1982)J. S. Chall, C. Snow, et al., Families and Literacy (1982)J. S. Chall, C. Snow, et al., Families and Literacy, 1982