According to peer sociometric methods, neglected group of children has the highest rate of externalizing symptoms.
In the 1920s, sociologist Robert K. Merton developed a theory of how to measure the opinions of a group of people. He called his theory "sociometric methods."
The use of these methods can be traced back to the 1920s when sociologist Robert K. Merton developed a theory on how to measure the opinions of a group of people. The use of these methods can be traced back to the 1920s when sociologist Robert K. Merton developed a theory on how to measure the opinions of a group of people.
Hence, the correct option is "A".
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