Flynn effect

1932

Though the effect is most associated with IQ increases, a similar effect has been found with increases in attention and of semantic and episodic memory. Ulric Neisser estimated that using the IQ values of 1997, the average IQ of the United States in 1932, according to the first Stanford–Binet Intelligence Scales standardization sample, was 80.

1942

For example, a study published in the year 2009 found that British children's average scores on the Raven's Progressive Matrices test rose by 14 IQ points from 1942 to 2008.

1949

For example, the Wechsler Intelligence Scale for Children (WISC), originally developed in 1949, was updated in 1974, 1991, 2003, and again in 2014.

1952

For example, Dutch conscripts gained 21 points during only 30 years, or 7 points per decade, between 1952 and 1982.

1960

During the 1960s, when some Virginia counties closed their public schools to avoid racial integration, compensatory private schooling was available only for Caucasian children.

1974

For example, the Wechsler Intelligence Scale for Children (WISC), originally developed in 1949, was updated in 1974, 1991, 2003, and again in 2014.

1975

Thorndike drew attention to rises in Stanford-Binet scores in a 1975 review of the history of intelligence testing.

1982

Richard Lynn recorded an increase in Japanese IQ in 1982. ===Intelligence=== There is debate about whether the rise in IQ scores also corresponds to a rise in general intelligence, or only a rise in special skills related to taking IQ tests.

For example, Dutch conscripts gained 21 points during only 30 years, or 7 points per decade, between 1952 and 1982.

1987

Some studies have found a reverse Flynn effect with declining scores for those with high IQ. In 1987, Flynn took the position that the very large increase indicates that IQ tests do not measure intelligence but only a minor sort of "abstract problem-solving ability" with little practical significance.

1990

a decline in IQ scores, in Norway, Denmark, Australia, Britain, the Netherlands, Sweden, Finland, France and German-speaking countries, a development which appears to have started in the 1990s. ==Origin of term== The Flynn effect is named for James R.

1991

For example, the Wechsler Intelligence Scale for Children (WISC), originally developed in 1949, was updated in 1974, 1991, 2003, and again in 2014.

1997

Though the effect is most associated with IQ increases, a similar effect has been found with increases in attention and of semantic and episodic memory. Ulric Neisser estimated that using the IQ values of 1997, the average IQ of the United States in 1932, according to the first Stanford–Binet Intelligence Scales standardization sample, was 80.

2001

An increase only of particular forms of intelligence would explain why the Flynn effect has not caused a "cultural renaissance too great to be overlooked." In 2001, William Dickens and James Flynn presented a model for resolving several contradictory findings regarding IQ.

2003

For example, the Wechsler Intelligence Scale for Children (WISC), originally developed in 1949, was updated in 1974, 1991, 2003, and again in 2014.

2008

For example, a study published in the year 2009 found that British children's average scores on the Raven's Progressive Matrices test rose by 14 IQ points from 1942 to 2008.

2009

For example, a study published in the year 2009 found that British children's average scores on the Raven's Progressive Matrices test rose by 14 IQ points from 1942 to 2008.

2014

For example, the Wechsler Intelligence Scale for Children (WISC), originally developed in 1949, was updated in 1974, 1991, 2003, and again in 2014.




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