Download Applied Psychometry (Sage Texts) by Narender Kumar Chadha PDF

By Narender Kumar Chadha

Applied Psychometry is designed as a middle textbook on perform of psychometry for undergraduate and post-graduate scholars of psychology and human source administration. it's going to support the scholars of their learn of the subsequent papers:

  • B.A. application Psychology (Core): mental overview
  • B.A. Honors Psychology (Core): Psychology: Psychometry or mental evaluate 1 and a couple of
  • M.A. Psychology: mental overview 1 and a pair of
  • Human source administration: Recruitment and choice, mental Assessment

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Additional resources for Applied Psychometry (Sage Texts)

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It can, therefore, be concluded that the errors relating to measurement are those that are usually committed while collecting data. SOURCES/TYPES OF ERROR Psychologists have divided the errors of measurement in two types: 1. Accidental/Chance errors and 2. Systematic/Biased errors. Errors in Measurement 23 1. Accidental/Chance Errors These errors, as the nomenclature suggests, can occur any time; for example, sudden noise during test administration or physical inconvenience or pain experienced by the subject during the administration, and so on, are certain interfering factors that can produce errors in the results.

The difference between the two means can be expressed Errors in Measurement 27 through standard error. Standard deviation of the distribution of statistics is called the standard error of that statistics. Therefore, standard error is that value which implies the amount of variation in the mean and the standard deviation of a sample, and the mean and the standard deviation of the population from which the sample is drawn. The standard error is important in order to study and understand the characteristics of the sample.

In other words, at zero degree Kelvin, molecules of all bodies are completely at rest or motionless. It may be pointed out that zero degree Kelvin = –273 degree Centigrade, that is, the lowest temperature—absolute zero—which can never be achieved. Once the Ratio Scale is constructed, its numerical value can also be transformed into another unit of the Ratio Scale by multiplying each value by a constant which is expressed algebraically. If x is the measure or value of a given attribute in some specific units, then y = ax would be the measured value on another scale where ‘a’ units of second kind make one unit of first kind.

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