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  • The Peabody Picture Vocabulary Test (PPVT) is a widely used receptive vocabulary screening tool, but it is not without its limitations, such as inadvisable I.Q. usage and a standardization procedure that ...
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  • The auxiliary verb obligatory-do is used in forming questions, negative and emphatic sentences. Currently there is no test or norms established for the acquisition of obligatory-do. The purpose of this ...
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  • Prepositions are important for the syntactical structure of the sentence and also to relate meaning, particularly meaning associated with concepts of place and time (Washington and Naremore, 1978). Expressive ...
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  • Prosody is the flow of speech created by controlling elements such as pitch, rate, loudness, and stress (Tiffany and Carrell, 1977). Prosody is vital to intelligibility of speech and also communicates ...
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