Search results
Results From The WOW.Com Content Network
Psychometrics is a field of study within psychology concerned with the theory and technique of measurement.Psychometrics generally covers specialized fields within psychology and education devoted to testing, measurement, assessment, and related activities. [1]
The Rasch model, named after Georg Rasch, is a psychometric model for analyzing categorical data, such as answers to questions on a reading assessment or questionnaire responses, as a function of the trade-off between the respondent's abilities, attitudes, or personality traits, and the item difficulty.
It is a theory of testing based on the relationship between individuals' performances on a test item and the test takers' levels of performance on an overall measure of the ability that item was designed to measure. Several different statistical models are used to represent both item and test taker characteristics. [1]
ACER ConQuest 4 also offers wider measurement and research community analysis procedures based on the most up-to-date psychometric methods of multifaceted item response models, multidimensional item response models, latent regression models and drawing plausible values.
The Ryff Scale of Measurement is a psychometric inventory consisting of two forms (either 54 or 84 items) in which respondents rate statements on a scale of 1 to 6, where 1 indicates strong disagreement and 6 indicates strong agreement. [1]
Psychometrics deals with measurement of psychological attributes. It involves developing and applying statistical models for mental measurements. [2] The measurement theories are divided into two major areas: (1) Classical test theory; (2) Item Response Theory. [3]
L – Lie/Social Desirability: Although the first 3 scales were predicted upon a biologically based theory of personality, the fourth scale has not been theoretically specified to the same extent, but it was considered to be conceptually strong to the extent that it would demonstrate the same degree of measurement similarity across cultures. [4]
In psychological testing, the responses of the test taker to test items provide objective measurement data for a variety of human characteristics. [8] Some characteristics measured by psychological and educational tests include academic abilities, school performance, intelligence, motivation, etc. and these tests are frequently used to make decisions that have significant consequences on ...