A Multilevel Approach to The Relationship Between Birth Order and Intelligence  

Oleh:

Rodgers, Joseph Lee ; Wichman, Aaron L. ; MacCallum, Robert C.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Personality and Social Psychology Bulletin (http://journals.sagepub.com/home/pspc) vol. 32 no. 01 (2006), page 117.
Topik: INTELLIGENCE; hierarchical; NLSY; birth order; nested; multilevel; intelligence; approach; relationship
Fulltext: 117.pdf (129.7KB)

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Perpustakaan Pusat (Semanggi) Nomor Panggil: PP45.25 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Many study, show relationships between birth order and intelligence but use cross-sectional designs or manifest other threats to internal validity. Multilevel analyses with a control variable show that when these threats are removed, two major results emerge : (a) birth order has no signficant influence on children's intelligence and (b) earlier reported birth order effects on intelligence are attributable to factors that vary between, not wiithin, families. Analyses on 7 to 8 and 13 to 14 year old children from the National Longitudinal Survey of Youth support these conclusions. When hierarchical data structures, age variance of children, and within family versus between family variance sources are taken into account, previous research is seen in a new light.

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