​Book Chapter

 

Kintz, S., Fergadiotis, G., & Wright, H. H. (2016). Aging effects on discourse production. In Wright, H. H. (Ed.) Cognition, language, and aging (pp. 81 – 106). Philadelphia, PA: John Benjamins Publishing Company. 

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Peer-Reviewed Publications​

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2021

Kapantzoglou, M., Esparza Brown, J., Auza, A., & Fergadiotis, G. (2021). Code switching and language proficiency in bilingual children with and without developmental language disorder. Journal of Speech, Language, and Hearing Research, 1-16. https://doi.org/10.1044/2020_JSLHR-20-00182

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2020

Silkes, J., Fergadiotis, G., Graue, K., & Kendall, D. (2020). Effects of phonomotor therapy and semantic feature analysis on discourse production. American Journal of Speech Language Pathology, 1-14. DOI: 10.1044/2020_AJSLP-19-00111

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Hula, W. D., Fergadiotis, G., Swiderski, A., Silkes, J. A., & Kellough, S. (2020). Empirical evaluation of computer-adaptive alternate short forms for the assessment of anomia severity. Journal of Speech, Language, and Hearing Research, 63(1), 163-172. DOI: 10.1044/2019_JSLHR-L-19-0213

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2019

Fergadiotis, G., Hula, W. D., Swiderski, A., Lei, C. M., & Kellough, S. (2019). Enhancing the efficiency of confrontation naming assessment for aphasia using computer adaptive testing. Journal of Speech, Language, and Hearing Research, 62(6), 1724-1738. DOI: 10.1044/2018_JSLHR-L-18-0344

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Kapantzoglou, M., Fergadiotis, G., & Auza, A. (2019). Psychometric evaluation of lexical diversity indices in Spanish narrative samples from children with and without developmental language disorder. Journal of Speech, Language, and Hearing Research. https://doi.org/10.1044/2018_JSLHR-L-18-0110

 

2018

Silkes, J., Fergadiotis, G., Hunting Pompon, R., Torrence, J. & Kendall, D. (2018). Effects of phonomotor treatment on discourse production. Aphasiology, 33(2), 125-139, DOI: 10.1080/02687038.2018.1512080

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Fergadiotis, G., Swiderski, A., & Hula, D. W. (2018). Predicting confrontation naming item difficulty. Aphasiology, doi-org.proxy.lib.pdx.edu/10.1080/02687038.2018.1495310

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Fergadiotis, G., Kapantzoglou, M., Kintz, S. & Wright, H. H. (2018). Modeling confrontation naming and discourse informativeness using structural equation modeling. Aphasiology, DOI: 10.1080/02687038.2018.1482404

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2017

Kapantzoglou, M., Fergadiotis, G., & Restrepo, M. A. (2017). Language sample analysis and elicitation-technique effects in bilingual children with and without language impairment. Journal of Speech, Language, and Hearing Research, 60(10), 2852-2865. doi:10.1044/2017_JSLHR-L-16-0335

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Adams, J., Bedrick, S., Fergadiotis, G., Gorman, K., and van Santen, J. (2017). Target word prediction and paraphasia classification in spoken discourse. In Proceedings of the BioNLP Workshop, 1-8.

 

2016

Fergadiotis, G., Gorman, K., & Bedrick, S. (2016). Algorithmic Classification of Five Characteristic Types of Paraphasias. American Journal of Speech-Language Pathology, 25, S776-S787. DOI:10.1044/2016_AJSLP-15-0147 

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Kintz, S., Wright, H. H., & Fergadiotis, G. (2016). Semantic Knowledge Use in Discourse Produced by Individuals with Anomic Aphasia. Aphasiology, 30(9), 1012-1025.

 

Fergadiotis, G., & Wright, H. H. (2015). The relationship of confrontation naming tests and paraphasias in discourse. Aphasiology. DOI:10.1080/02687038.2015.1067288

 

2015

Hula, W. D., Kellough, S., & Fergadiotis, G. (2015). Development and Simulation Testing of a Computerized Adaptive Version of the Philadelphia Naming Test. Journal of Speech, Language, and Hearing Research, 1–13. http://doi.org/10.1044/2015_JSLHR-L-14-0297.

 

Fergadiotis, G., Kellough, S., & Hula, W. D. (2015). Item response theory modeling of the Philadelphia Naming Test. Journal of Speech, Language, and Hearing Research, 58, 865-877. DOI: 10.1044/2015_JSLHR-L-14-0249.

 

Fergadiotis, G., Wright, H. H., & Green, S. B. (2015). Psychometric Evaluation of Lexical Diversity Indices: Assessing Length Effects. Journal of Speech, Language, and Hearing Research, 58, 840-852. DOI: 10.1044/2015_JSLHR-L-14-0280.

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2014

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Wright, H. H., Koutsoftas, A., Capilouto, G. J., & Fergadiotis, G. (2014). Global coherence in younger and older adults: Influence of cognitive processes and discourse type. Aging, Neuropsychology, and Cognition. 21(2), 174-196.

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2013

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Fergadiotis, G., Wright, H. H., & West, N. T. (2013). Measuring lexical diversity in narrative discourse from people with aphasia. American Journal of Speech-Language Pathology, 22(2), 397-408.



2012

 

Hula, D. W., & Fergadiotis, G., & Martin, N. (2012). The effects of sample size and guessing on parameter recovery in IRT modeling of aphasia test data. American Journal of Speech-Language Pathology. 21, S38-S49. 



Wright, H. H., & Fergadiotis, G. (2012). Conceptualizing and Measuring Working Memory and its Relationship to Aphasia. Aphasiology, 26(3-4), 258-278. DOI:10.1080/02687038.2011.604304

 

2011

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Fergadiotis, G., & Wright, H. H. (2011). Lexical diversity for adults with and without aphasia across discourse elicitation tasks. Aphasiology, 25, 1414-1430.

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Fergadiotis, G., Wright, H.H., & Capilouto, G. (2011). Productive vocabulary across discourse types. Aphasiology, 25(10), 1261-1278. 



Wright, H. H., Capilouto, G. J., Srinivasan, C., & Fergadiotis, G. (2011). Story processing ability in cognitively healthy younger and older adults. Journal of Speech, Language, and Hearing Research. 54, 900-917. ​



Invited Peer-Reviewed Commentary

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2014



Hula, D. W., Fergadiotis, G., & Doyle, J. P. (2014). A Core Outcome Set for Aphasia Treatment Research: Obstacles, Risks, and Benefits. Aphasiology. DOI: 10.1080/02687038.2014.930264 

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2013

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Dietz, A., & Fergadiotis, G. (2013). This study into the perceptions of caregivers and people with aphasia following a course on total communication yielded promising results, but there are methodological concerns. Evidence-Based Communication Assessment and Intervention, 7(1), 46-51.

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Conference Proceedings

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Fergadiotis, G., & Wright, H. H. (2013). Effects of Truncation on Language Sample

Analysis in Aphasia. Procedia-Social and Behavioral Sciences, 94, 228-229. 

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Galeto, V., Kintz, S., West, T., Marini, A., Harris Wright, H., & Fergadiotis, G. (2013) Measuring Global Coherence in Aphasia. Procedia-Social and Behavioral Sciences, 94, 198-199.

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Wright, H., Fergadiotis, G., Koutsoftas, A., & Capilouto, G. (2010). Coherence in stories told by adults with aphasia. Procedia Social and Behavioral Sciences. 6,111-112.

 

Fergadiotis, G., Wright, H., & Capilouto, G. (2010). Psychometric properties of the              Pyramids and Palm Trees tests. Procedia Social and Behavioral Sciences. 6, 33-34.