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Dani assesses the levels of secure attachment in elementary schoolchildren and high school students and calculates the mean scores of both samples (Melementary = 60.00,

Dani assesses the levels of secure attachment in elementary schoolchildren and high school students and calculates the mean scores of both samples (Melementary = 60.00, Mhigh school = 58.00). If s2pooled = 50.00, what is Cohen's d

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