Abstract:
This research is aimed at normalizing the visual-motor
Bender Gestalt Test among 1014 students (693 boys and 321 girls) that
focused on Koppit′z system for administration and scoring. Findings
indicated a test-retest reliability coefficient (after 4 weeks) of 0.81
(p≤0.001). There was a significant negative correlation between BGT
scores, Good enough-Harris Drawing Test (r = -0.36; N = 80) and Colored
Progressive Matrices Children Test (r = -0.41; N = 117). However, gender-related
differences were found to be significant (p≤0.0001); and males attained
higher error mean scores than their female counterparts. Also, age-related
differences were significant that is older children attained lower error
mean scores than younger children (8 and 7 year-old age-groups children).
The results showed perceptual performance improvement with students′
increasing age, especially for 9 and 10 years-old ones, which is consistent
with Koppit′z maturational hypothesis.
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