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The AQ-9 is a shorter version of the AQ-27 in which there are 9 items rather than 27. It was created by Corrigan and colleagues in 2003. Each of the 9 questions represents one of the 9 subscales from the AQ-27. The items were chosen based on which had the strongest factor loadings from the original version. [3] [2]
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.
The Minnesota Multiphasic Personality Inventory (MMPI) is a standardized psychometric test of adult personality and psychopathology. [1] A version for adolescents also exists, the MMPI-A, and was first published in 1992. [2]
[1] Hans Eysenck's theory is based primarily on physiology and genetics. Although he was a behaviorist who considered learned habits of great importance, he believed that personality differences are determined by genetic inheritance. He is, therefore, primarily interested in temperament.
(3) I am so sad or unhappy that I can't stand it. When the test is scored, a value of 0 to 3 is assigned for each answer and then the total score is compared to a key to determine the depression's severity. The standard cut-off scores were as follows: [7] 0–9: indicates minimal depression; 10–18: indicates mild depression
Phrase completion scales are a type of psychometric scale used in questionnaires. Developed in response to the problems associated with Likert scales , phrase completions are concise, unidimensional measures that tap ordinal level data in a manner that approximates interval level data.
Sample scoring for the history question: What caused World War II? Student answers Criterion-referenced assessment Norm-referenced assessment Student #1: World War II was caused by Hitler and Germany invading Poland. This answer is correct. This answer is worse than Student #2's answer, but better than Student #3's answer. Student #2:
The general idea is that, the higher reliability is, the better. Classical test theory does not say how high reliability is supposed to be. Too high a value for , say over .9, indicates redundancy of items. Around .8 is recommended for personality research, while .9+ is desirable for individual high-stakes testing. [4]