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Table 3 Verbalised scores of the visual grading analysis (VGA)

From: Development of a zoomorphic test specimen for constancy testing on digital X-ray systems in veterinary radiology

Score Impression of the structure
+3 Much better presentation
+2 Better presentation
+1 Slightly better presentation
0 Equal presentation
− 1 Slightly worse presentation
− 2 Worse presentation
− 3 Far worse presentation