Results 231 to 240 of about 1,038,246 (291)

The Short Nicotine Dependence Index: A Simple and Versatile Self-Report Measure of Nicotine Dependence for General Populations. [PDF]

Nicotine Tob Res
Jackson SE, Tattan-Birch H, Stapleton J, Jarvis MJ.   +3 more
europepmc   +1 more source

Development and validation of the NIMHANS-NMHS-2 disability scale (NNDS). [PDF]

Indian J Psychiatry
Jaisoorya TS, Jogi L, Binu VS, Khandelwal H, Sharma A, Mathew SG, Singh N, Mary J, Angothu H, Muliyala KP, Thirthalli J, Kumar CN, Reddy VSK, Manjunatha N, Ganjekar S, Rashmi A, Balachander S, Vijay Kumar KG, Shukla L, Kapanee ARM, Anand N, Kumar A, Kashyap H, Cherian AV, Raj EA, Pandian RD, Thennarasu K, Murthy P, Rao GN, Benegal V.   +29 more
europepmc   +1 more source

Differences in Item Discrimination of the 25-Question Geriatric Locomotive Function Scale Between Younger and Middle-Aged Adults and Older Adults: An Analysis Using the Item Response Theory. [PDF]

Geriatr Gerontol Int
Yamashina S, Hirohama K, Nishimoto J, Tanaka R.   +3 more
europepmc   +1 more source

Cross-Cultural Adaptation and Psychometric Evaluation of the Persian Version of the ADL Taxonomy Questionnaire in Persons With Stroke: A Rasch Analysis. [PDF]

Occup Ther Int
Sadeghi E, Shafaroodi N, Fallahpour M, Abolghasemi J, Hassani Mehraban A.   +4 more
europepmc   +1 more source

Development and validation of the German Performance-related Questionnaire for Musicians (PQM) for measuring situational music performance anxiety. [PDF]

Front Psychol
Spahn C, Nusseck M.
europepmc   +1 more source

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An Item Response Model with Internal Restrictions on Item Difficulty

Psychometrika, 1998
An IRT model based on the Rasch model is proposed for composite tasks, that is, tasks that are decomposed into subtasks of different kinds. There is one subtask for each component that is discerned in the composite tasks. A component is a generic kind of subtask of which the subtasks resulting from the decomposition are specific instantiations with ...
Butter, R., de Boeck, P., Verhelst, N.D.
openaire   +2 more sources

Estimating Item Difficulty

2019
To estimate the difference in difficulty between two dichotomous items the equation conditioning on the total score and eliminating the person parameter is applied. In the solution equation, the proportion of persons who have answered one item correctly and the other incorrectly is an estimate of the probability of answering that item correctly, given ...
David Andrich, Ida Marais
openaire   +1 more source

Difficulty Scaling of Recognition Items

Psychometrika, 1967
Usual system: take as scale value the normal deviate corresponding to the area p″ = (p − p0)/(1 − p0), where p is the proportion of correct answers and p0 is the chance proportion. If p ≦ p0, the item difficulty is unscalable. Proposed system: take as scale value the normal deviate corresponding to the area p′ = px, with x so chosen that p′ = .5 when p
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Item Writer Judgments of Item Difficulty Versus Actual Item Difficulty: A Case Study

Language Assessment Quarterly, 2011
This study investigates how accurate one item writer can be on item difficulty estimates and whether factors affecting item writer judgments correspond to predictors of actual item difficulty. The items were based on conversational dialogs (presented as videos online) that focus on pragmatic functions.
openaire   +1 more source