Running Head: META-ANALYSIS of CPT PERFORMANCE in ADHD 2

Running Head: META-ANALYSIS OF CPT PERFORMANCE IN ADHD 2

Supplementary Table 1. List of included studies and important study characteristics.

Citation / NADHD / Ncontrol / CPTType / TotTrials / Targets / TargetTime / ISI / ISIreg / Length / MaleSample / AgeSample / FSIQSample
Adams et al (2009) / 18 / 16 / 1 / 400 / 10 / 150 / 1500 / 0 / 6 / 1 / 10.29 / .
Alloway er al., (2010) / 26 / 26 / 2 / 480 / 29 / 250 / 1000 / 0 / 10 / 0.67 / 9.18 / 87.98
Alloway, et al. (2009) / 46 / 20 / 2 / 480 / 29 / 250 / 1000 / 0 / . / 0.77 / 9.8 / .
Banaschewski, et al. (2003) / 31 / 33 / 1 / 400 / 10 / 150 / 1650 / 0 / 11 / 0.92 / 12.44 / 100.35
Banaschewski, et al. (2008) / 15 / 16 / 1 / 400 / 10 / 150 / 1650 / 0 / 11 / 0.94 / 10.04 / 102.57
Berlin et al. (2004) / 63 / 42 / 2 / 100 / 24 / 500 / 5000 / 1 / . / 1 / 8.34 / .
Bidwell et al. (2007) / 266 / 332 / 1 / 540 / 6 / 200 / 800 / 0 / 18 / 0.59 / 11.59 / 108.3
Borger & van der Meere (2000) / 17 / 15 / 2 / . / 20 / 700 / 4000 / 0 / 24 / 1 / 8.53 / 106.69
Borger, et al. (1999) / 21 / 16 / 2 / . / 20 / 700 / 4000 / 0 / 24 / 1 / 8.67 / 108.05
Brandeis, et al. (2002) / 57 / 57 / 1 / 400 / 10 / 150 / 1650 / 0 / 11 / 0.89 / 10.81 / 101.9
Brewer et al. (2001) / 26 / 22 / 1 / 400 / 10 / 200 / 1500 / 0 / 12 / 0.52 / 11.35 / 107.27
Chhabildas et al., (2001) / 100 / 82 / 1 / 540 / 6 / 200 / 800 / 0 / 12 / 0.57 / 11.52 / 105.69
Collings (2003) / 46 / 24 / 1 / 360 / 10 / 250 / 2333 / 1 / 14 / 1 / 8.97 / .
El-Sayed et al. (2002) / 36 / 63 / 1 / 400 / 10 / 150 / 1500 / 0 / 11 / 0.78 / 10.2 / .
Greimel et al. (2008) / 40 / 20 / 2 / 600 / 33 / . / . / . / . / 0.75 / 11.33 / 100.03
Holtmann et al. (2006) / 32 / 16 / 1 / 800 / 10 / 150 / 1600 / 0 / 22 / 0.88 / 9.43 / 102.27
Hooks et al. (1994) / 40 / 52 / 1 / 900 / 10 / 100 / 900 / 0 / 13 / 1 / 10.1 / 108.26
Huang-Pollock et al. (2006) / 82 / 44 / 1 / 400 / 10 / 200 / 1500 / 0 / 12 / 0.62 / 9.6 / 106.6
Inoue et al. (2008) / 35 / 33 / 2 / . / . / 500 / 888 / 1 / 10 / 0.75 / 9.91 / 95.5
Klein et al. (2006) / 57 / 55 / 2 / 300 / 15 / 500 / . / . / 10 / 0.84 / 10.55 / 103.28
Lawrence et al. (2005) / 18 / 18 / 1 / 360 / 8 / 200 / 800 / 0 / 6 / 1 / 11.3 / 113.65
Mayes et al. (2001) / 165 / 46 / 1 / 180 / 25 / 200 / 1000 / 0 / 9 / 0.77 / 9.8 / 103.73
Nazari et al. (2010) / 15 / 15 / 1 / 320 / 13 / 200 / 1650 / 0 / 10 / 0.83 / 8.8 / .
Nigg et al. (1996) / 23 / 15 / 1 / 400 / 10 / 200 / 1500 / 0 / 12 / . / 8.88 / 111.5
Oades (2000) / 14 / 14 / 1 / 400 / 24 / 130 / 1000 / 0 / 8 / 0.79 / 10.5 / .
Oades et al. (2010) / 21 / 21 / 2 / 450 / 50 / 100 / 2000 / 0 / 10 / 0.81 / 9.95 / 104.95
Okazaki et al. (2001) / 26 / 56 / 1 / 400 / 15 / . / 888 / 1 / 12 / 0.7 / 10.94 / .
Overtoom, et al. (1998) / 16 / 16 / 1 / 400 / 10 / 150 / 1500 / 0 / 11 / 0.94 / 10.35 / 100.4
Parsons et al. (2007) / 10 / 10 / 1 / 400 / 10 / 150 / 1500 / 0 / 10 / 1 / 10.4 / .
Pollak et al. (2009) / 20 / 17 / 1 / 400 / 25 / 150 / 1350 / 0 / 10 / 1 / . / .
Rovet & Hepworth (2001) / 34 / 64 / 1 / 400 / 5 / 200 / 1500 / 0 / 7 / 0.55 / 9.87 / 105.47
Rubia, et al. (2009) / 13 / 13 / 2 / 416 / 12 / 300 / 900 / 1 / . / 1 / 11.96 / 95.5
Sartory et al. (2002) / 20 / 19 / 1 / 400 / 13 / 200 / 2120 / 0 / 15 / 0.85 / 9.05 / 106.33
Silberstein et al. (1998) / 17 / 17 / 2 / 80 / 25 / 2000 / 1500 / 0 / 5 / 1 / 10.88 / 103.5
Spronk et al. (2008) / 12 / 15 / 1 / 496 / 10 / 150 / 1500 / 0 / 12 / 0.52 / 7.02 / .
Strandburg et al. (1996) / 16 / 16 / 2 / 512 / 20 / 50 / 1250 / 0 / . / 0.69 / 12.55 / 96.5
Sunohara et al. (1.) / 20 / 20 / 8 / 360 / 20 / 50 / 1000 / 0 / . / 0.8 / 10.8 / .
Teicher et al. (2004) / 60 / 8 / 2 / 300 / 50 / 200 / 2000 / 0 / 15 / 1 / 10.68 / .
Tripp et al. (1.) / 43 / 19 / 8 / 250 / 12 / 600 / 850 / 0 / 12 / 0.87 / 8.66 / 102.82
Tsal et al. (2005) / 27 / 15 / 1 / 320 / 30 / 100 / 1750 / 1 / . / . / 8.11 / .
Tseng et al. (2004) / 42 / 42 / 1 / 400 / 10 / 150 / 1500 / 0 / 11 / 0.86 / 8.21 / .
Tucha et al. (2006) / 58 / 58 / 2 / 600 / 3 / 500 / 1000 / 0 / 15 / . / . / 98.1
Tucha et al. (2009) / 52 / 52 / 2 / 600 / 3 / 500 / 1000 / 0 / 15 / 0.75 / 11.7 / 102.3
Valko et al. (2009) / 32 / 31 / 1 / 400 / 10 / 150 / 1650 / 0 / 11 / . / 11.15 / 120.6
van Leeuwen et al. (1998) / 11 / 9 / 1 / 400 / 10 / 150 / 1650 / 0 / 11 / 0.75 / 11.04 / 98.35
West et al. (2002) / 50 / 50 / 2 / 225 / 11 / 250 / 1439 / 0 / 5 / 1 / 10.1 / 109.45
Willcutt et al. (2001) / 100 / 214 / 1 / 500 / 10 / . / . / . / 6 / . / 10.63 / 105.24

Note: NADHD = # ADHD participants; NControl = # non-ADHD participants; CPTType = type of CPT utilized where 1 = A-X, Gordon or conjunction target, 2 = X-only target,), 8 = repeated letter/number target; TotTrials = Total # trials administered; Targets = % targets; TargetTime = amount of time (ms) stimuli appeared on screen; ISI = average interstimulus interval (ms); ISIreg = whether the ISI was fixed (=0) or randomly presented (=1); Length = Length of task in minutes; MaleSample = Proportion of males in the sample; AgeSample = average age of sample; FSIQSample = average FSIQ of sample

Supplementary Table 2. List of d values reported in each study.

Citation / Comissions / Omissions / RT / SDRT / POT Hits / POT Comissions / POT Omissions / POT RT / POT SDRT
Adams et al (2009) / 0.55 / 0.56 / . / . / . / . / . / . / .
Alloway er al., (2010) / 0.1 / 0.33 / . / . / . / . / . / . / .
Alloway, et al. (2009) / 0.14 / 0 / . / . / . / . / . / . / .
Banaschewski, et al. (2003) / . / . / 0.57 / 0.81 / . / . / . / . / .
Banaschewski, et al. (2008) / . / . / 1.1 / . / . / . / . / . / .
Berlin et al. (2004) / . / 0.6 / . / . / . / . / . / . / .
Bidwell et al. (2007) / 0.55 / 0.53 / . / . / . / . / . / . / .
Borger & van der Meere (2000) / . / 0.61 / 0.89 / 0.92 / . / . / . / 0.17 / 0.32
Borger, et al. (1999) / . / 0.65 / 0.87 / 1.01 / . / . / 0.27 / 0.73 / 0.67
Brandeis, et al. (2002) / 0.66 / 0.74 / 0.37 / . / . / . / . / . / .
Brewer et al. (2001) / 0.37 / 0.72 / 0.78 / . / . / . / . / . / .
Chhabildas et al., (2001) / 0.63 / 0.94 / . / . / . / . / . / . / .
Collings (2003) / 0.27 / 0.26 / . / . / . / 0.19 / 0.19 / . / .
El-Sayed et al. (2002) / 0.59 / 0.7 / . / . / . / . / . / . / .
Greimel et al. (2008) / 0.53 / 0.28 / -0.22 / -0.14 / . / . / . / . / .
Holtmann et al. (2006) / 0.65 / 0.3 / -0.34 / . / . / . / . / . / .
Hooks et al. (1994) / 0.45 / 0.51 / . / . / . / 0.26 / 0.45 / . / .
Huang-Pollock et al. (2006) / 0.66 / 0.43 / 0.34 / 0.65 / 0.5 / 0.1 / 0.5 / 0.11 / 0.04
Inoue et al. (2008) / 0.99 / 0.93 / . / 0.72 / . / . / . / . / .
Klein et al. (2006) / 0.85 / 0.55 / 0.73 / 0.72 / . / . / . / . / .
Lawrence et al. (2005) / . / . / 0.01 / . / . / . / . / . / .
Mayes et al. (2001) / 0.63 / 0.57 / . / . / . / . / . / . / .
Nazari et al. (2010) / . / . / -0.13 / 0.49 / . / . / . / . / .
Nigg et al. (1996) / . / . / 0.54 / . / . / . / . / . / .
Oades (2000) / 0.96 / 1.28 / 0.75 / . / . / . / . / . / .
Oades et al. (2010) / 0.92 / 1.51 / 1.55 / 1.3 / . / . / . / . / .
Okazaki et al. (2001) / . / 0.66 / . / . / . / . / . / . / .
Overtoom, et al. (1998) / . / 1.22 / 0.72 / . / . / . / . / . / .
Parsons et al. (2007) / 0.84 / 0.84 / -0.45 / . / . / . / . / . / .
Pollak et al. (2009) / 0.94 / 1.52 / 1.1 / 0.45 / . / . / . / . / .
Rovet & Hepworth (2001) / 1.63 / 0.51 / . / . / . / . / . / . / .
Rubia, et al. (2009) / . / 0.78 / . / . / . / . / . / . / .
Sartory et al. (2002) / 0.88 / 0.76 / -0.74 / . / . / 0.17 / 0.15 / 0.26 / .
Silberstein et al. (1998) / 0.89 / 0.45 / 0.74 / . / . / . / . / . / .
Spronk et al. (2008) / . / 0.81 / 0.21 / -0.3 / . / . / . / . / .
Strandburg et al. (1996) / 0.93 / 0.96 / 1.21 / . / . / . / . / . / .
Sunohara et al. (1.) / 0.95 / 0.8 / -0.87 / 0.99 / . / . / . / . / .
Teicher et al. (2004) / 0.89 / 0.87 / 1.06 / 0.84 / . / . / . / . / .
Tripp et al. (1.) / 0.45 / 0 / . / . / . / . / . / . / .
Tsal et al. (2005) / . / . / . / . / . / . / . / . / .
Tseng et al. (2004) / 0.84 / 0.57 / . / . / . / . / . / . / .
Tucha et al. (2006) / . / . / . / . / . / . / . / . / .
Tucha et al. (2009) / 0.66 / 1.63 / 0.32 / 0.32 / . / 0.19 / 0.14 / 0.12 / 0.07
Valko et al. (2009) / 0.15 / 0.57 / 0.09 / 0.25 / . / . / . / . / .
van Leeuwen et al. (1998) / 1.25 / 1.42 / . / 1.21 / 1.16 / . / . / . / .
West et al. (2002) / 0.03 / 0.93 / . / . / . / . / . / . / .
Willcutt et al. (2001) / 0.28 / . / . / . / . / . / . / . / .

Note: RT = Reaction time, SDRT = Standard deviation of RT, POT = Performance over time

Supplementary Table 3. List of SDT and Diffusion modeling parameters extracted from available studies.

Citation / d ADHD / d Control / lnβ ADHD / lnβ Control / v Control / a Control / Ter Control / v ADHD / a ADHD / Ter ADHD
Adams et al (2009) / 1.19 / 2.25 / 1.16 / 1.75 / . / . / . / . / . / .
Alloway er al., (2010) / 1.20 / 1.44 / 0.04 / -0.04 / . / . / . / . / . / .
Alloway, et al. (2009) / 1.29 / 1.39 / 0.00 / 0.07 / . / . / . / . / . / .
Banaschewski, et al. (2003) / 3.65 / 4.11 / 1.64 / 2.00 / 0.26 / 0.11 / 0.28 / 0.21 / 0.12 / 0.29
Bidwell et al. (2007) / 1.33 / 2.44 / 1.26 / 2.14 / . / . / . / . / . / .
Brandeis, et al. (2002) / 3.70 / 4.43 / 1.85 / 1.97 / . / . / . / . / . / .
Brewer et al. (2001) / 3.72 / 4.41 / 0.96 / 0.38 / . / . / . / . / . / .
Chhabildas et al., (2001) / 1.59 / 2.99 / 1.46 / 2.19 / . / . / . / . / . / .
Collings (2003) / 3.09 / 3.62 / 2.29 / 2.13 / . / . / . / . / . / .
Greimel et al. (2008) / 2.64 / 2.96 / 0.63 / 0.82 / 0.1 / 0.2 / 0.46 / 0.09 / 0.19 / 0.45
Holtmann et al. (2006) / 2.52 / 3.07 / 1.07 / 1.63 / . / . / . / . / . / .
Hooks et al. (1994) / 3.21 / 3.78 / 0.89 / 1.23 / . / . / . / . / . / .
Huang-Pollock et al. (2006) / 3.30 / 4.15 / 0.81 / 1.47 / 0.27 / 0.11 / 0.32 / 0.21 / 0.12 / 0.31
Inoue et al. (2008) / 2.80 / 3.86 / -1.39 / -2.04 / . / . / . / . / . / .
Klein et al. (2006) / 3.91 / 4.76 / -1.18 / -1.46 / 0.39 / 0.14 / 0.32 / 0.31 / 0.14 / 0.34
Oades (2000) / 2.37 / 3.95 / 0.61 / 0.24 / . / . / . / . / . / .
Oades et al. (2010) / 2.76 / 4.09 / 0.12 / -1.34 / 0.71 / 0.07 / 0.4 / 0.4 / 0.06 / 0.52
Parsons et al. (2007) / 1.95 / 3.63 / 1.40 / 1.94 / . / . / . / . / . / .
Pollak et al. (2009) / 2.74 / 3.99 / 1.68 / 1.42 / 0.27 / 0.11 / 0.37 / 0.14 / 0.09 / 0.49
Rovet & Hepworth (2001) / 3.83 / 4.34 / 2.98 / 3.00 / . / . / . / . / . / .
Sartory et al. (2002) / 3.69 / 4.71 / 0.84 / 1.41 / . / . / . / . / . / .
Silberstein et al. (1998) / 3.58 / 4.97 / 0.33 / -0.45 / . / . / . / . / . / .
Spronk et al. (2008) / . / . / . / . / 0.21 / 0.1 / 0.34 / 0.16 / 0.09 / 0.37
Sunohara et al. (1999) / 1.39 / 2.40 / 0.69 / 1.53 / 0.11 / 0.08 / 0.41 / 0.03 / 0.09 / 0.3
Teicher et al. (2004) / 2.25 / 3.83 / -0.52 / -1.89 / 0.33 / 0.15 / 0.4 / 0.2 / 0.12 / 0.3
Tripp et al. (1999) / 3.20 / 3.25 / 3.19 / 3.34 / . / . / . / . / . / .
Tsal et al. (2005) / 2.39 / 3.55 / -0.31 / -0.32 / . / . / . / . / . / .
Tseng et al. (2004) / 2.40 / 3.58 / 0.41 / 0.06 / . / . / . / . / . / .
Tucha et al. (2006) / 1.96 / 3.56 / 1.92 / 2.76 / 0.17 / 0.1 / 0.56 / 0 / 0.1 / 0.58
Valko et al. (2009) / 3.82 / 4.26 / 2.16 / 1.74 / 0.26 / 0.12 / 0.24 / 0.21 / 0.11 / 0.24
van Leeuwen et al. (1998) / 3.40 / 4.60 / 1.60 / 2.67 / 0.32 / 0.1 / 0.36 / 0.2 / 0.11 / 0.32
West et al. (2002) / 2.10 / 2.29 / 2.06 / 2.03 / . / . / . / . / . / .