School-age friends a. usually break up their friendship within months b. are usually opposite from one another in personality c. tend to be similar in race, ethnicity, and ses d. tend to be dissimilar in sociability and popularity

The correct answer is c.tend to be similar in race, ethnicity, and ses

School-aged children tend to show a preference for friends that are more similar to them in terms of socio-economic status (SES), race and ethnicity. While this preference is more subconscious rather than deliberate, it likely results from children's tendency to prefer what is more familiar and known to them.

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