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Family Relationships And Sibling Intelligence

Table 3:

SIDE scales M elder sibling M younger sibling t p d Cohen
Differential Sibling Dominance 3.27 2.76 4.78 .00 1.02
Differential Sibling Antagonism 2.97 2.78 1.59 .12 .33
Differential Sibling Closeness 2.95 3.36 ‒4.11 .00 ‒.88
Differential Sibling Cooperation 3.30 2.86 4.76 .00 1.04
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