Canadian birth seasonality and its possible association with seasonal brightness
Author(s) -
David R. Cummings
Publication year - 2012
Publication title -
canadian studies in population
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.157
H-Index - 8
eISSN - 1927-629X
pISSN - 0380-1489
DOI - 10.25336/p6q89p
Subject(s) - seasonality , brightness , visibility , viewpoints , association (psychology) , geography , causality (physics) , demography , meteorology , statistics , mathematics , psychology , physics , astronomy , sociology , quantum mechanics , acoustics , psychotherapist
This paper tests whether atmospheric brightness is related to Canadian birth seasonality ten-eleven months earlier. Births and visibility (brightness) are correlated nation-wide and in nine provinces/cities. For the national correlation, r=0 . 928. Therefore, seasonal brightness provides a plausible explanation for inter-annual changes in seasonality , and may reconcile divergent viewpoints. Easy verification is a major strength, although underlying causality remains unknown. While these results suggest a direct association between seasonal brightness and seasonality , brightness may not be an exclusive determinant.
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