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Table 9
Variable Sub variable Baseline Intervention P-values Mean SD One-tailed Two-tailed 1. Eye gaze Eyes closed 10.9 19.8 4.7 6 0.78 0.21 Elsewhere 58.1 32 55.5 37.8 0.38 0.46 M E s b o d y / f a c e ~ **12.6 16.3} **6.2k 1p 0.0004 Eyes 16.4 18.3 28 28.6 0.11 0.12
C a n t t e l l 1.97 7.64 6.32 15.5 2. Facial expressions Neutral} *88.8 25.1} *69.6 33.6 0.97 0.02 Smiling~ ***2.8 5~ ***33. 38.8 4.99 0.0004 Frowning 0.41 0.85 4.04 14.28 0.13 Surprise 0.3 1 0.2 0.8 0.33 0.66 Other 7.5 25.6 5.8 19.3 0.37 3. Vocalisations Silence 78 25 15 Vocalisation ***18.8 23.9 ***18.9 14.9 Laughter 0.9 2 2.5 4.2 0.14 2.3 4.9 0.5 0.62 4. Physical contact Contact 0 8.6 18.8 5. Gestures Pointing 0.6 1.6 0.7 0.35 0.65 Nodding 1.9 2.9 1.4 0.29 Shaking head 1.7 3.7 0.76 0.23 7.52 25.65 21.11 34.06 0.43 6. Imitation Imitation of ME| *0.1| *1.7 0.03
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