William Stern (German Psychologist and Philosopher)

William Stern Demographics:

• Birth - 29 April 1871.
• Death - 27 March 1938.
• Name - Wilhelm Louis Stern
• Occupation - German psychologist & philosopher.
• Wife - Clara Joseephy, a psychologist.
  
• Son - Günther Anders, German writer & philosopher.
• Other children - Hilde & Eva.

William Stern Important Facts:

• Was a pioneer in the field of intelligence & personality.
• The term "IQ" was initially suggested by the William Stern in 1912.
• Stern also invented the tone variator in 1897 - allowing research on human perception of sound.

Tags:
Intelligence - Intelligence Quotient - IQ - Philosopher - Psychologist - William Stern -

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Intelligence Quotient (IQ)

IQ Basic Facts:

• IQ is a score derived from special standardized tests designed to assess intelligence.
• The term "IQ" was initially suggested by the German psychologist William Stern (1912).
• The scoring of modern IQ tests is based on a projection of the individual's measured rank on the Gaussian bell shaped curve - where the center value (average) is 100, and the standard deviation is around 15.

Factors associated with IQ Scores:

• Morbidity and mortality
• Parental social status
• Parental IQ.
• Controversy about how much IQ is inheritable.

IQ Score Uses:

• Predictor of educational achievement.
• Predictor of special needs
• Social science tool - predicting job performance and income.

Flynn Effect:

• Average IQ scores for many populations have been rising.
• IQ score inflation is at around a rate of three points per decade.
• Most improvement has been in the lower half of the IQ range.
• There is some argument about whether these changes in scores reflect real changes in intellectual abilities.

Tags:
Flynn Effect - Intelligence Quotient - IQ - William Stern -

Posted by ALCHEssMIST.
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