GRE (Graduate Record Examinations) Psychology Measurement and Methodology-Psychometrics, Test Construction, Reliability, Validity Study Material (Page 1 of 2)

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Psychometric Methods

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Psychometric Methods

Psychometrics is the field of study concerned with the theory and technique of educational and psychological measurement, which includes the measurement of knowledge, abilities, attitudes, and personality traits. It helps to bring out relative differences in individual traits. It is also known as statistical method for the same reason. It studies differences between same individual and between different groups of individuals. Major approaches used are:

  • Correlation Approach: Psychologists take people as they are and studies what they usually do without

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Psychophysical Methods: Absolute Threshold and Difference Threshold

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Psychophysics has been described as the scientific study of the relation between stimulus and sensation or more completely, as the analysis of perceptual processes by studying the effect on a subject’s experience or behavior of systematically varying the properties of a stimulus along one or more physical dimensions. It refers to those methods, which employ physical devices for scientific measurement of some psy

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