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. Author manuscript; available in PMC: 2014 Jun 16.
Published in final edited form as: Clin Linguist Phon. 2005 Jun;19(4):335–359. doi: 10.1080/02699200500085426

Table VII.

Summary of the validity findings for speech and prosody-voice data obtained using analog versus digital audio systems.

Transcriber 1
Transcriber 2
Analog
Digital
Comparison
Analog
Digital
Comparison
Variable M SD M SD ESa Desc.b pc M SD M SD ES Desc. p
Consonants
  PCC
    Early-8 84.1 8.6 82.7 9.4 0.14 N .77 88.7 7.3 87.6 7.8 0.13 N .84
    Middle-8 61.4 23.1 58.6 25.4 0.11 N .82 71.2 11.2 64.8 9.9 0.53 M .42
    Late-8 35.5 19.2 33.5 19.7 0.10 N .84 43.1 8.2 38.5 9.6 0.46 S .49
    Total 63.5 13.6 61.3 14.5 0.15 N .76 70.3 7.8 66.8 8.0 0.39 S .55
  PCI
    Early-8 97.7 4.7 97.7 4.7 0.00 N 1.00 98.4 3.1 96.9 6.3 0.27 S .67
    Middle-8 77.3 21.2 73.6 26.2 0.15 N .76 76.7 25.8 71.7 22.8 0.18 N .78
    Late-8 79.1 14.0 68.5 18.1 0.62 M .21 85.4 8.9 81.4 9.2 0.38 S .56
    Total 85.6 10.5 81.1 13.5 0.35 S .47 87.6 8.8 84.1 11.1 0.30 S .64
  POE 14.2 8.4 14.6 8.9 0.04 N .93 6.6 4.1 8.5 5.2 0.35 S .59
  PSE 17.2 7.3 19.1 7.0 0.25 S .60 14.5 5.8 16.3 4.8 0.29 S .66
  PDE 5.1 1.5 5.0 1.5 0.07 N .89 8.6 1.7 8.4 1.2 0.08 N .90
Vowels/Diphthongs
  PVC 93.3 2.2 92.1 2.5 0.50 M .31 93.5 2.8 92.9 2.0 0.19 N .77
Phonemes and Words
  PPC 75.5 8.6 73.6 9.4 0.19 N .69 79.5 5.2 77.2 5.2 0.39 S .55
  II 84.9 13.2 86.2 10.5 0.10 N .84 87.5 14.3 89.2 10.3 0.12 N .85
PVSP
  Phrasing 85.9 5.4 86.5 6.2 0.08 N .86 84.4 4.0 85.4 5.4 0.19 N .77
  Rate 96.1 4.8 96.9 3.7 0.17 N .72 93.8 5.4 96.4 2.6 0.53 M .42
  Stress 88.8 5.8 86.5 9.1 0.29 S .55 77.1 15.8 74.0 14.2 0.18 N .78
  Loudness 96.4 5.7 96.4 4.7 0.00 N 1.00 92.2 6.0 89.6 5.4 0.40 S .54
  Pitch 97.9 3.3 97.9 3.9 0.01 N .98 97.9 4.2 97.9 4.2 0.00 N 1.00
  Laryngeal 78.4 15.7 73.9 22.3 0.22 S .65 94.8 6.3 93.8 7.2 0.13 N .83
  Resonance 87.2 17.2 95.3 5.7 0.60 M .23 94.3 8.9 91.7 11.8 0.22 S .74
a

ES = Effect Size (Cohen’s d-Hedges corrected; Cohen 1988).

b

Desc. = Descriptor (N = Negligible, S = Small, M = Medium, L = Large, V = Very Large, E = Extremely Large; see text for key for these descriptors).

c

All values were non-significant.