Abstract
Are children who fail on a discrimination learning task involving mirror-image (MI) forms unable to see a difference between them? When given the more purely perceptual task of judging form pairs as same (identically oriented) or different (non-identically oriented, MI or non-MI) a much larger proportion of children show evidence of discriminating MI pairs, even though there is still an age-related tendency to judge them “same.” Only 8 out of 75 Ss in grade levels K through 3 actually failed to discriminate MI forms using this paired-comparison task. Even such non-discriminators were apparently able to “see a difference,” however, since they very readily pointed in different directions when asked to show which way the forms faced.
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