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Signs of Low and High IQ

by
author image Richard Nilsen
Richard Nilsen writes poetry, fiction, features and news stories in upstate New York. He was an emergency mental-health consultant for 20 years and directed a mentoring agency for a decade. Nilsen is a black-fly control technician in the Adirondack Park, where he enjoys hiking, biking and boating.
Signs of Low and High IQ
A young boy and older man are playing chess. Photo Credit Jose Luis Pelaez Inc/Blend Images/Getty Images

Overview

According to the Extreme Intellect website, the average intelligence quotient (IQ) is between 85 and 115, which comes from dividing a person’s tested mental age by her chronological age and multiplying that number by 100. Half the population of the United States have IQs of between 90 and 110, with 25 percent higher than that and 25 percent lower. While there are indicators that a child may be in the high or low range of IQ, experts like David Palmer, Ph.D., warn that there are no “sure signs.” A designation of "mentally retarded" or "gifted" should be weighed against other factors such as emotional, communication and social skill sets, with learning disabilities often coexisting alongside a high IQ in a mix.

Low IQ

Signs that a child may have a lower than average IQ begin with walking and talking later than his contemporaries. Other signs include poor social skills in play-learn situations with other children, delayed self-care, hygiene, dressing and feeding skills. As the child grows older, difficulties in learning academic skills and poor job skills may also be indicators.

High IQ

Signs that a child may have a higher than normal IQ may begin with early walking and talking, communication and social skills. She may also show a high energy level, interest in artistic activities, have rapid and complicated language patterns, as well as showing empathy with others and leadership among peers.

Mix

Some children may have both a high IQ and learning difficulties. According to "Parents' Guide to IQ Testing and Gifted Education" by David Palmer, children with attention deficit disorder are often in the normal to high range of IQ. They may be very good at computer games, hear several conversations at once and be very active in play, but at the same time seem unfocused, jump from one activity to another and score lower than expected on academic tests.

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