Is the Porch Index of Communicative Ability an Equal Interval Scale?

• 1 January 1981
• journal article
• Published by Wiley in International Journal of Language & Communication Disorders
• Vol. 16  (3) , 185-191
• https://doi.org/10.3109/13682828109011399

Abstract

Keywords

• COMMUNICATIVE ABILITY
• PORCH INDEX
• INDEX OF COMMUNICATIVE
• EQUAL INTERVAL SCALE
• ABILITY AN EQUAL