CTAC35: CTAC 35 database.
In InDisc: Obtaining and Estimating Unidimensional and Multidimensional IRT Dual Models
Description
Usage
Format
Details
References
Examples
Description
A database to be used as example in the functions included on InDisc package.
Usage
1
data("CTAC35")
Format
A matrix with 758 observations and 35 variables corresponding to the CTAC questionnaire (Pallero, Ferrando, & Lorenzo-Seva, 1998).
Details
The CTAC questionnaire (Pallero, Ferrando, & Lorenzo-Seva, 1998) measures anxiety in situations related to visual deficit and which is intended to be used in the general adult population with severe visual impairment. The CTAC items use a 5-point Likert format.
References
Pallero, R., Ferrando, P.J., & Lorenzo-Seva, U. (1998). Questionnaire Tarragona of anxiety for blind people. In E. Sifferman, M. Williams, & B.B. Blasch, (eds.): The 9th Internacional Mobility Conference Proceedings, (pp 250-253). Atlanta: Rehabilitation Research and Development Center.
Examples
1
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Description Usage Format Details References Examples
Description
A database to be used as example in the functions included on InDisc package.
Usage
1 | data("CTAC35")
|
Format
A matrix with 758 observations and 35 variables corresponding to the CTAC questionnaire (Pallero, Ferrando, & Lorenzo-Seva, 1998).
Details
The CTAC questionnaire (Pallero, Ferrando, & Lorenzo-Seva, 1998) measures anxiety in situations related to visual deficit and which is intended to be used in the general adult population with severe visual impairment. The CTAC items use a 5-point Likert format.
References
Pallero, R., Ferrando, P.J., & Lorenzo-Seva, U. (1998). Questionnaire Tarragona of anxiety for blind people. In E. Sifferman, M. Williams, & B.B. Blasch, (eds.): The 9th Internacional Mobility Conference Proceedings, (pp 250-253). Atlanta: Rehabilitation Research and Development Center.
Examples
1 |
R Package Documentation
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