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Biomedical subjects

B Derouet

Publications and source records attributed to B Derouet.

3 recordsLinked to original sources

Nuptiality and family reproduction in male-inheritance systems: reflections on the example of the Franche-Comte (seventeenth-eighteenth centuries).

"The family system practiced in the rural Franche-Comte [France] until the nineteenth century was based on egalitarian inheritance among sons and on the exclusion of daughters; as such, it was associated with distinct Malthusian nuptiality. This system cannot be understood without an examination of the formation and dynamics of a type of family that included frequent stages of undivided patrimony and coresidence in a context giving little encouragement to neolocal marriage and to the independence of sons. A comparative perspective suggests certain similarities with the stem family system, despite differences in inheritance norms.... Acceptance of the common idea of a contrast between impartible and partible inheritance should be highly qualified, insofar as partibility can hide various patterns of social reproduction. Different kinds of joint family household systems must be distinguished carefully, for they have neither the same significance nor imply the same demographic patterns."

Demography↗

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Demography↗

A modified letter matching chart for testing young children's visual acuity.

A new chart for testing children's visual acuity was designed. It was based on the matching principle and showed rows of the four letters H, O, T, and V at a distance of 3 m. A geometric progression of leter size was used. In order to disclose the crowding phenomenon, the distance between letters was equal to the letter width in each line. Fifty children's testability and visual acuity was studied with this chart and an E chart. It was found that the children performed better when the letter matching chart was used and that the letter matching visual acuity values were higher in about 2/3 of the eyes. The more interesting matching game and the closer viewing distance are possible causes of these differences.

Age Factors↗