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. 2008 May;123(5):2750–2768. doi: 10.1121/1.2897034

Table 3.

Summary of significant main effects from repeated measures ANOVAs for relative amplitude of rms peak and overall rms amplitude. Shown are partial eta squared values (η2). (*) p<0.050, (**) p<0.010, (†) p<0.001; (---) not significant; fr=fricative, st=stop, vd=voiced, vl=voiceless, l=labial, alv=alveolar, vel=velar.

  ∕i∕ ∕ɪ∕ ∕ε∕ ∕æ∕ ∕ɑ∕ ∕ɔ∕ ∕ʊ∕ ∕u∕
rms peak                
∕b, d, p, t, v, z, f, s∕                
Manner --- --- 0.286* 0.452** 0.532** --- --- ---
      fr>st fr>st fr>st      
Voicing 0.332** --- --- --- --- --- --- ---
  vd>vl              
Place 0.414** 0.462** 0.503 0.447** 0.438** 0.528** 0.311* 0.839
  l>alv l>alv l>alv l>alv l>alv l>alv l>alv l>alv
∕b, d, g, p, t, k∕                
Voicing 0.337** --- --- --- --- --- --- ---
  vd>vl              
Place --- 0.362 0.454 0.254** 0.202* 0.302** 0.329** 0.694
    l>vel>alv l>alv>vel l>alv>vel l>vel>alv l>alv>vel l>alv>vel l>vel>alv
Overall rms                
∕b, d, p, t, v, z, f, s∕                
Manner --- --- --- --- --- --- 0.260* 0.201*
              st>fr st>fr
Voicing --- --- --- --- --- 0.375* --- ---
            vl>vd    
Place 0.611 0.699 0.700 0.565 0.539** 0.689 0.390** 0.850
  l>alv l>alv l>alv l>alv l>alv l>alv l>alv l>alv
∕b, d, g, p, t, k∕                
Voicing 0.258* --- 208* --- --- 0.425** --- ---
  vl>vd   vd>vl     vl>vd    
Place --- 0.512 0.610 0.388 --- 0.353** 0.407 0.730
    l>alv>vel l>alv>vel l>alv>vel   l>alv>vel l>alv>vel l>vel>alv