| 1. Title: IQ/fertility relationships in Japan and Sweden. Author: Vining DR; Bygren L; Hattori K; Nystrom S; Tamura S Source: PERSONALITY AND INDIVIDUAL DIFFERENCES. 1988;9(5):931-2. Abstract: "This study explores the relationship between intelligence and family size in Japan and Sweden. In Japan, there is no relationship, once father's education is controlled for. However, if father's education is not controlled for, then there is a negative relationship between IQ and number of siblings. In Sweden, there is a positive relationship between IQ and fertility only for the male cohort born between 1915 and 1924. The remaining relationships, for both females and males, are neither negative nor positive." (EXCERPT) Language: English Keywords: JAPAN | SWEDEN | EUROPE, NORTHERN | EUROPE | FAMILY SIZE | INTELLIGENCE | EDUCATIONAL STATUS | COHORT ANALYSIS | MEN | DEVELOPING COUNTRIES | Asia, Eastern | Asia | Developed Countries | Family Characteristics | Family and Household | Personality | Psychological Factors | Behavior | Socioeconomic Status | Socioeconomic Factors | Economic Factors | Research Methodology | Demographic Factors | Population Document Number: 056925 |
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