R J. De Ayala

Educational Psychology The University of Nebraska - Lincoln, Lincoln, NE 
Tests and Measurements Education, Statistics
"R De Ayala"
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De Ayala RJ, Santiago SY. (2015) An introduction to mixture item response theory models Journal of School Psychology
Perry CM, De Ayala RJ, Lebow R, et al. (2008) A Validation and Reliability Study of the Physical Activity and Healthy Food Efficacy Scale for Children (PAHFE). Health Education & Behavior : the Official Publication of the Society For Public Health Education. 35: 346-60
De Ayala RJ, Vonderharr-Carlson DJ, Kim D. (2005) Assessing the reliability of the Beck Anxiety Inventory scores Educational and Psychological Measurement. 65: 836-850
Kaskowitz GS, De Ayala RJ. (2001) The effect of error in item parameter estimates on the test response function method of linking Applied Psychological Measurement. 25: 39-52
De Ayala RJ, Plake BS, Impara JC. (2001) The impact of omitted responses on the accuracy of ability estimation in item response theory Journal of Educational Measurement. 38: 213-234
De Ayala RJ, Sava-Bolesta M. (1999) Item parameter recovery for the nominal response model Applied Psychological Measurement. 23: 3-19
de Ayala RJ. (1995) The Influence of Dimensionality on Estimation in the Partial Credit Model Educational and Psychological Measurement. 55: 407-422
Dodd BG, Koch WR, de Ayala RJ. (1993) Computerized adaptive testing using the partial credit model: Effects of item pool characteristics and different stopping rules Educational and Psychological Measurement. 53: 61-77
De Ayala RJ, Dodd BG, Koch WR. (1992) A Comparison of the Partial Credit and Graded Response Models in Computerized Adaptive Testing Applied Measurement in Education. 5: 63-72
de Ayala RJ. (1992) The influence of dimensionality on cat ability estimation Educational and Psychological Measurement. 52: 513-528
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