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. Author manuscript; available in PMC: 2013 May 1.
Published in final edited form as: Int J Pediatr Otorhinolaryngol. 2012 Mar 6;76(5):680–692. doi: 10.1016/j.ijporl.2012.02.020

Figure 1.

Figure 1

Schematic of the test set-up, including the 4’ × 5’ SoftTile interlocking foam mat that served as the response mat. This was placed on the floor of the sound booth. The mat had a wood grain pattern, except for two red pieces with circle-shaped cut-outs and a purple piece with a star-shaped cut out. The child stood on the “listening star” and a trial would begin when the child was in a ready state. The two red circles, one to the front/left and the other to the front/right of the star, displayed pictures corresponding to the no-change and change responses, respectively. In this figure, the pictures displayed (cows and frogs) were used in the teaching and training phases. A touch screen monitor was placed on a table at the child’s eye level. The touch screen monitor displayed the centering/listening cue, the complex, visual reinforcers, and the puzzle pieces. The monitor also served as a user interface for the Tester to register the child’s responses. Speakers were placed at +/− 45 degrees azimuth. Note that figure is not to scale.