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. Author manuscript; available in PMC: 2013 Jul 20.
Published in final edited form as: Dev Sci. 2011 Sep 15;14(6):1261–1282. doi: 10.1111/j.1467-7687.2011.01075.x

Table 1.

Behavioral performance on the word discrimination task

Accuracy (% correct)
Response Time (seconds)
Words Partwords Nonwords Words Partwords Nonwords

6-year-olds
  Unstressed Language 58.3 (31.8) 50.0 (25.0) 1.894 (0.587) 2.008 (0.729)
  Stressed Language 45.1 (30.0) 52.1 (30.0) 2.168 (0.602) 2.438 (0.812)
  Random Syllables 44.1 (24.9) 2.130 (0.514)
10-year-olds
  Unstressed Language 53.6 (26.6) 42.3 (25.5) 1.818 (0.453) 1.964 (0.469)
  Stressed Language 51.4 (25.7) 47.1 (27.2) 1.842 (0.529) 2.045 (0.488)
  Random Syllables 50.3 (26.0) 1.876 (0.469)
13-year-olds
  Unstressed Language 52.4 (28.8) 38.5 (26.4) 1.830 (0.442) 1.956 (0.475)
  Stressed Language 51.1 (23.0) 44.2 (26.4) 1.873 (0.526) 1.929 (0.471)
  Random Syllables 51.0 (24.8) 1.884 (0.378)
Adults
  Unstressed Language 58.3 (21.2) 39.8 (22.2) 1.531 (0.241) 1.574 (0.286)
  Stressed Language 47.2 (25.3) 46.3 (25.7) 1.526 (0.295) 1.539 (0.257)
  Random Syllables 50.5 (26.6) 1.540 (0.298)

Note: Values presented as mean (SD). It should be noted that for the Random Syllables condition, the Words and Partwords effectively constitute ‘Nonwords’ as they only occurred once during exposure to the Random Syllables stream. See Behavioral Results for a description of significant results.