The Contextual Probes of Articulation Competence (CPAC) portion of the Secord Contextual Articulation Tests (S-CAT) is a measure of a student's ability to produce target phonemes in a variety of phonetic contexts.  The CPAC probes for the       phoneme       were targeted as these were the typical error patterns noted during the evaluation/therapy session.  Each probe targets single words, words in clusters/phrases and sentences.       's responses are judged correct or incorrect and a percentage of accuracy determined, similar to tasks done in therapy sessions.       's percentages are listed below:

target phoneme   % in words  % in clusters  % in sentences