What did ll thurstone do for psychology?

159).” Louis Leon Thurstone made significant contributions in many areas of psychology, including psychometrics, statistics, and the study of human intelligence. He developed methods for scaling psychological measures, assessing attitudes, and test theory, among many other influential contributions.

What is Louis L Thurstone theory of intelligence?

Louis Leon Thurstone proposed theory in 1930’s that intelligence is composed of several different factors. The seven primary mental abilities in Thurstone’s model were verbal comprehension, word fluency, number facility, spatial visualization, associative memory, perceptual speed and reasoning.

What can you say about Louis Leon Thurstone?

Louis Leon Thurstone (29 May 1887 – 30 September 1955) was a American pioneer in the fields of psychometrics and psychophysics. He conceived the approach to measurement known as the law of comparative judgment, and is well known for his contributions to factor analysis.

What is meant by S in Thurstone multifactor theory?

The tests that Spearman used in his study were quite different from each other because if the tests were identical to each other, the “s” factor (specific ability) may have overlapped, which would have resulted in additional correlations among the different variables, while the tests that Thurstone used in his research …

What did Sternberg discover?

Robert Sternberg

How did Spearman use g and S to explain intelligence?

To explain the differences in performance on different tasks, Spearman hypothesized that the “s” component was specific to a certain aspect of intelligence. Regarding g, Spearman saw individuals as having some level of more or less general intelligence, while s varied from person to person based on the specific task.

What did Raymond Cattell contribution to psychology?

Psychologist Raymond Cattell is best known for his 16-factor personality model, developing the concept of fluid versus crystallized intelligence, and working with factor and multivariate analysis.

How did Binet and Simon measure intelligence?

Binet and Simon ultimately came up with a test that included 30 questions, such as asking about the difference between “boredom” and “weariness,” or asking the test-taker to follow a moving object with just one eye. 6 This became known as the Binet-Simon Scale and was the first recognized IQ test.

What was Sternberg’s hypothesis?

Sternberg identified a linear relationship between study group size and reaction time, which allowed him to infer that scanning short-term memory for a target is serial, and that each item takes about 38 ms to scan.

What did Louis Thurstone contribution to psychology?

Thurston’s Theory of Intelligence Louis Leon Thurstone (29 May 1887 – 30 September 1955) was a U.S. pioneer in the fields of psychometrics and psychophysics. He conceived the approach to measurement known as the law of comparative judgment, and is well known for his contributions to factor analysis.

What is Thurston theory of intelligence?

Thurston’s Theory of Intelligence. Louis Leon Thurstone (29 May 1887 – 30 September 1955) was a U.S. pioneer in the fields of psychometrics and psychophysics. He conceived the approach to measurement known as the law of comparative judgment, and is well known for his contributions to factor analysis. Background and history.

Who is Thurstone?

Thurstone, Louis Leon. Thurstone, Louis Leon (1887-1955) was an American psychologist who was instrumental in the development of psychological tests.

Where was Louis Thurstone born?

Louis Leon Thurstone was born in Chicago, Illinois to Swedish immigrant parents. Thurstone originally received a masters in Mechanical Engineering from Cornell University in 1912. Thurstone was offered a brief assistantship in the laboratory of Thomas Edison.