PSYCHOMETRIC TOOLS

The Psychometrics is the science students of all measurement techniques practiced in psychology and the technical validation of these measures. These techniques apply to all fields of psychology and other fields related sciences (such as research in consumer behavior, for example) but they were mainly developed originally for the measurement of intellectual performance ( ages mental or intelligence quotient , quotient development in early childhood, etc.). or for the analysis of the components of personality (affectivity, emotions, relationships with others, etc.). It is the science of measurement of the mind, which becomes a science by introducing arithmetic and calculation in the phenomena of mind because its founder was a mathematician.

Learn more about their history.

From the content point of view it can be divided into psychological statistics descriptive statistics and inferential statistics of two parts. Which describes the statistics are divided into the central tendency analysis and from the trend analysis and correlation analysis of three parts. Inference statistics and sample size can be divided into the Z-test , T test , P test three class methods. Calculated by the number of data points involved, there are single overall test , mean difference test (two overall differences in the study) and multivariate analysis of three kinds of calculations. By data processing methods can be divided into parametric analysis and non-parametric analysis .