The firstborn is smarter than their younger siblings

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scientists claim that the first children are the smartest children. What is the reason? Genetics or upbringing? Researchers were interested in the vocabulary of children, reading speed and associative answers to the proposed pictures. The research experts conducted every two years.To avoid errors, scientists took into account external factors (family income, biography, social status, genealogy) for the purity of the experiment.

What did the experiment show? It turned out that at the age of one, the firstborn was the best result of the tests for intelligence. Toddlers had a higher IQ level than their younger siblings. Watching such children further, scientists have found that the firstborn was better reading, more correctly called the objects depicted in the pictures, more successfully sought the same letters in cubes.

In addition, older children grew more obedient than their siblings. They were also more visible and hardworking. Studies have shown that the first children were more likely to have vision and overweight problems. For example, with the firstborn, mom and dad engaged more actively than with younger children at the same age. For example, adults were less likely to read them than an older child, less and less than their children, they created products, painted and played musical instruments together. Again, it was the average. Other influences were also influenced. For example, relationships between parents, children's health, family financial position, relatives.