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Two factor theory v 2.2-ps
- 2. Charles Edward Spearman 1863 -1945 English Psychologist Professor at University of London
- 3. In 1924 elected to Royal Society Dr. Spearman has made many researches in experimental psychology. His many published papers cover a wide field, but he is especially distinguished by his pioneer work in the application of mathematical methods to the analysis of the human mind, and his original studies of correlation in this sphere. He has inspired and directed research work by many pupils."
- 4. 3. Spearman's rank correlation coefficient 1. Models of Human Intelligence 4. Statistics 2. Factor Analysis Work
- 5. Factor Analysis Spearman applied mathematical procedures to psychological phenomena, and molded the outcome of his analysis into a theory Factor analysis is a useful tool for investigating variable relationships for complex concepts such as socioeconomic status, dietary patterns, or psychological scales.
- 6. Factor theories of Intelligence UNITARY THEORY Intelligence consists of one factor A Fund of intellectual competence Universal to all activities of the individual 1 a b c
- 7. ANARCHIC THEORY OR MULTIFACTOR THEORY Intelligence a combination of numerous separate elements or factors Propagated by E.L Thorndike
- 8. factor of Intelligence factor of Intelligence g sss s s G S Developed using factor analysis. TWO FACTOR THEORY Has two components
- 10. • Most significant achievement was the discovery of general factor in human intelligence. • Coined the term g factor and s factor
- 11. G factor of Intelligence Influences the performance on all mental tasks Saw individuals as having more or less general intelligence Made up of two genetically influenced, unique abilities working together “educative" and "reproductive”
- 12. g is one of the most reliable and valid measures in the behavioral domain... and it predicts important social outcomes such as educational and occupational levels far better than any other trait.
- 13. • This component was specific to a certain aspect of intelligence S factor of Intelligence • Influences abilities on a particular task
- 14. Thank You!
Editor's Notes
- In statistics, Spearman's rank correlation coefficient or Spearman's rho, named after Charles Spearman and often denoted by the Greek letter (rho) or as , is a nonparametric measure of statistical dependence between two variables. It assesses how well the relationship between two variables can be described using a monotonic function. If there are no repeated data values, a perfect Spearman correlation of +1 or −1 occurs when each of the variables is a perfect monotone function of the other.
- In statistics, Spearman's rank correlation coefficient or Spearman's rho, named after Charles Spearman and often denoted by the Greek letter (rho) or as , is a nonparametric measure of statistical dependence between two variables. It assesses how well the relationship between two variables can be described using a monotonic function. If there are no repeated data values, a perfect Spearman correlation of +1 or −1 occurs when each of the variables is a perfect monotone function of the other.