Hiding Heidi Low Contrast Face Stim. | 253500
$114.00
Hiding Heidi consists of low contrast “Heidi” faces of decreasing contrast levels used to determine the lowest level of contrast at which the baby or multihandicapped person responds.
$114.00
Hiding Heidi consists of low contrast “Heidi” faces of decreasing contrast levels used to determine the lowest level of contrast at which the baby or multihandicapped person responds.