Aphasia Testing: A Second Look at the Porch Index of Communicative Ability It has been claimed that the Porch Index of Communicative Ability (PICA), through its multidimensional scoring system, corrects for lacks in other tests for aphasia. Specifically, the PICA is said to specify the details of the response and indicate the nature of the response; detect and describe small changes in ... Articles
Articles  |   November 1977
Aphasia Testing: A Second Look at the Porch Index of Communicative Ability
 
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  • © 1977 American Speech-Language-Hearing AssociationAmerican Speech-Language-Hearing Association
Article Information
Articles   |   November 1977
Aphasia Testing: A Second Look at the Porch Index of Communicative Ability
Journal of Speech and Hearing Disorders, November 1977, Vol. 42, 547-562. doi:10.1044/jshd.4204.547
History: Received February 3, 1977 , Accepted April 19, 1977
 
Journal of Speech and Hearing Disorders, November 1977, Vol. 42, 547-562. doi:10.1044/jshd.4204.547
History: Received February 3, 1977; Accepted April 19, 1977

It has been claimed that the Porch Index of Communicative Ability (PICA), through its multidimensional scoring system, corrects for lacks in other tests for aphasia. Specifically, the PICA is said to specify the details of the response and indicate the nature of the response; detect and describe small changes in the patient’s responses; indicate the patient’s level of communicative ability; and eliminate the subjectivity and bias present in descriptive methods of scoring. It is argued here that the PICA does none of these things and that the multidimensional scoring system as applied in the PICA is invalid.

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