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. 2015 Nov;24(4):S798–S814. doi: 10.1044/2015_AJSLP-14-0127

Table 4.

Levels of performance in baseline and at the end of treatment phases.

Primary study Meta-analysis participant no. Treatment target Treated items
Untreated items
Mean of last three treatments First follow-up value Mean of last three treatments First follow-up value
Wambaugh, Kalinyak-Fliszar, et al. (1998) 1 /z/-initial one- and two-syllable words 63.33 70 83.33 70
1 /ʃ/-final one- and two-syllable words 53.33 10 50.00 10
1 /ʤ/-initial one- and two-syllable words 93.33 90 73.33 70
2 /ʃ/-final one- and two-syllable words 90.00 100 86.67 100
2 /r/-initial one- and two-syllable words 83.33 80 80.00 90
2 /sw/-initial one- and two-syllable words 83.33 70 86.67 90
3 /ʧ/-initial one- and two-syllable words 83.33 60 80.00 40
3 /ʃ/-final one- and two-syllable words 50.00 20 50.00 10
3 /z/-initial one- and two-syllable words 76.67 100 93.33 80
Wambaugh, West, et al. (1998) 4 Stops, all positions, three- to five-word sentences 94.67 94 82.00 80
4 Fricatives, all positions, three- to five-word sentences 90.33 94 82.00 87
4 Glides/liquids, all positions, three- to five-word sentences 96.33 92 87.00 89
Wambaugh & Cort (1998) 5 /b/-initial one-syllable words 90.00 80.00
5 /ʤ/-initial one-syllable words 80.00 93.33
5 /d/-initial one-syllable words 83.33 83.33
5 /g/-initial one-syllable words 76.67 83.33
Wambaugh et al. (1999) 6 /p/-initial one-syllable words 93.33 100 90.00 90
6 /k/-initial one-syllable words 46.67 90 33.33 90
6 /ʃ/-initial one-syllable words 20.00 40 23.33 20
Wambaugh (2004) 7 /v/-initial one- and two-syllable words 93.33 100 93.33 100
7 /r/-blends–initial one- and two-syllable words 93.33 80 53.33 50
8 /ʃ/-syllable–final one-syllable words in two-word phrases 100.00 100 80.00 100
8 /z/-syllable–initial one- and two-syllable words in two-word phrases 85.33 89 70.00 36
Wambaugh & Nessler (2004) 9 /s/-initial one-syllable CV(C) words 96.00 100
9 /p/-initial one-syllable CV(C) words 100.00 75
9 /v/-initial one-syllable CV(C) words 37.67 13
9 /k/-initial one-syllable CV(C) words 79.67 100
9 /ʃ/-initial one-syllable CV(C) words 42.00 100
9 /ʤ/-initial one-syllable CV(C) words 0.00 88
9 /l/-initial one-syllable CV(C) words 92.00 100
9 /m/-initial one-syllable CV(C) words 96.00 63
9 /n/-initial one-syllable CV(C) words 100.00 100
Wambaugh & Mauszycki (2010) 10 /b/-initial one-syllable CV(C) words 54.67 100 60.00 100
10 /s/-initial one-syllable CV(C) words 21.00 75 53.33 60
10 /l/-initial one-syllable CV(C) words 91.67 100 60.00 80
10 /m/-initial one-syllable CV(C) words 87.67 50 66.67 0
10 /d/-initial one-syllable CV(C) words 42.00 38 33.33 0
10 /f/-initial one-syllable CV(C) words 100.00 88 93.33 100
Wambaugh et al. (2013) 11 /s/-initial four-syllable words (IB) 53.33 50 33.33 50
11 /ɪ/- and /ɛ/-initial three-syllable words (IR) 71.67 95 33.33 60
11 /r/-initial four-syllable words (TR) 56.67 60 20.00 70
11 /ɑ/-, /æ/-, /i/-, or /o/-initial three-syllable words (TB) 81.67 85 36.67 50
12 /θ/-initial or final two-syllable words (IR) 75.00 60 40.00 70
12 /ʃ/-initial or final two-syllable words (IB) 85.00 70 33.33 30
12 /z/-initial or final two-syllable words (TB) 83.33 55 23.33 20
12 /ʤ/-initial or final two-syllable words (TR) 71.67 100 36.67 10
13 /sw/-initial one-syllable or /θ/-final two-syllable words (TR) 31.67 15 1.67 0
13 /sm/-initial one-syllable or /ʃ/-final two-syllable words (TB) 55.00 10 13.33 0
13 /bl/-initial one-syllable or /z/-final two-syllable words (IB) 55.00 25 10.00 20
13 /fl/-initial one-syllable or /ʤ/-final two-syllable words (IR) 48.33 10 23.33 10
14 /θ/- or /br/-initial three-syllable words (TB) 45.00 25 20.00 20
14 /z/- or /gl/-initial three-syllable words (TR) 58.33 25 30.00 20
14 /st/- or /t/-initial three-syllable words (IR) 33.33 15 26.67 20
14 /ʃ/- or /sk/-initial three-syllable words (IB) 56.67 35 30.00 30
Wambaugh et al. (2014) 15 /pr/-initial three-syllable words 46.67 30 33.33 0
15 /ks/-medial three-syllable words 50.00 50 26.67 40
15 /gl/-initial three-syllable words 66.67 40 13.33 0
15 /nd/-medial three-syllable words 63.33 50 20.00 40
16 /z/-final one-syllable words 83.33 70 46.67 20
16 /st/-initial one-syllable words 83.33 0 86.67 0
16 /f/-final one-syllable words 93.33 70 86.67 80
16 /gl/-initial one-syllable words 76.67 90 66.67 60
17 /ʤ/-initial one-syllable words 93.33 80 80.00 80
17 /sm/-initial one-syllable words 100.00 100 100.00 60
17 /θ/-initial one-syllable words 96.67 70 80.00 20
17 /gl/-initial one-syllable words 66.67 50 60.00 80
18 /f/-final one-syllable words 96.67 60 100.00 40
18 /sm/-initial one-syllable words 96.67 90 100.00 100
18 /bl/-initial one-syllable words 70.00 90 93.33 40
18 /p/-final one-syllable words 96.67 100 86.67 80
19 /gl/-initial two-syllable words 83.33 70 73.33 80
19 /kw/-medial two-syllable words 100.00 90 40.00 40
19 /θr/-initial two-syllable words 93.33 100 93.33 100
19 /st/-medial two-syllable words 96.67 100 100.00 60
20 /θr/-initial two-syllable words 93.33 70 93.33 60
20 /gl/-initial two-syllable words 96.67 40 66.67 40
20 /sn/-initial three-syllable words 63.33 50 73.33 40
20 /kw/-initial three-syllable words 70.00 30 80.00 100
Wambaugh et al. (in press) 21 /θ/-medial three- and four-syllable words (B) 80.00 80 44.33 100
21 /s/-blends initial three- and four-syllable words (B) 40.00 60 0.00 0
21 /br/-initial or medial three- and four-syllable words (R) 66.67 80 33.00 33
21 /l/-medial three- and four-syllable words (R) 93.33 80 22.00 33
22 /st/-initial four- and five-syllable words (R) 73.33 100 78.00 33
22 /tr/-medial four- and five-syllable words (R) 100.00 100 11.00 33
22 /θ/-medial four- and five-syllable words (B) 86.67 80 86.67 80
22 /fl/-initial and medial four- and five-syllable words (B) 66.67 80 44.33 67
23 /st/-initial three- and four-syllable words (B) 73.33 80 33.33 33
23 /ʤ/-medial three- and four-syllable words (B) 53.33 20 55.67 67
23 /gl/-initial three- and four-syllable words (R) 73.33 80 22.00 0
23 /θ/-medial three- and four-syllable words (R) 93.33 100 33.33 33
24 /kw/-medial four-syllable words (R) 93.33 60 22.00 33
24 /br/-medial four-syllable words (R) 100.00 20 0.00 33
24 /fl/-medial four-syllable words (B) 93.33 100 22.00 0
24 /sp/-medial four-syllable words (B) 86.67 40 22.00 33

Note. Em dashes indicate necessary phase data not collected in the original study. CV(C) = consonant–vowel or consonant–vowel–consonant syllable structure; IB = intense blocked; TR = traditional random; IR = intense random; TB = traditional blocked; B = blocked; R = random.