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. Author manuscript; available in PMC: 2018 Jul 1.
Published in final edited form as: Infancy. 2014 Apr 5;22(4):436–469. doi: 10.1111/infa.12186

Table 1.

Citation N per cell Statistical test Calculated effect size Observed Power 50% effect size Sample size needed given effect size Sample needed for 50% effect
Althaus & Plunkett (2015) 29 t(28) = 4.037, p < 0.001 0.76 0.98 0.38 16 57
Bahrick et al. (2013) 16 t(15) = 5.26, p< .0001 1.32 0.99 0.66 7 21
Bahrick et al. (2015) 16 t(15) = 3.27, p = .005 0.82 0.87 0.41 14 49
Baker, J.M., et al. (2014)* 28 t(27) = 2.474, p = .02 0.49 0.70 0.24 35 139
Baker, R.K. et al. (2014) 24 F(1, 88) = 6.56, p = .012 0.07 0.43 0.03 108 120
Bardi et al. (2014) 12 t(11) = 2.768, p<.05 0.79 0.70 0.40 15 52
Benavides-Varela & Mehler (2015) 22 t(21) = 2.123, p < .05 0.45 0.52 0.23 41 151
Bidet-Ildei et al. (2014) 12 Z= 1.96; p<.05 1.37 0.99 0.69
Biro et al. (2014) 12 t(22) = 2.54, p = .019 1.08 0.72 0.54 15 55
Bremner et al. (2013) 12 F(1,10) = 10.95, p < .008 0.52 0.91 0.26 11 26
Brower & Wilcox (2013) 10 t(18) = −0.58, p = .58 0.26 0.09 0.13 234 930
Cantrell et al. (2015) 20 t(19) = 3.05 p = .007 0.68 0.82 0.34 19 70
Casasola & Park (2013) 16 F(1, 15) = 5.38, p < .05 0.26 0.49 0.13 26 56
Cashon et al. (2013) 23 t(22) = 3.44, p 0.72 0.91 0.36 18 63
Coubart et al. (2014) 16 F(1, 12) = 12.8, p = .004 0.52 0.97 0.26 11 26
Esteve-Gibert et al. (2015) 24 F(1, 20) = 7.262, p = .014 0.27 0.31 0.13 25 56
Ferry et al. (2015) 11 t(10) = 3.577, p = .005 1.07 0.89 0.54 9 24
Flom et al. (2014)* 20 t(19) = 2.5, p = .02 0.56 0.66 0.28 28 103
Frick & Möhring (2013) 20 F(1, 36) = 6.94, p < .05 0.16 0.27 0.08 14 26
Frick & Wang (2014)) 7 t(13) = 2.82, p = .01 1.45 0.70 0.73 9 31
Gazes et al. (2015) 32 F(1,28) = 10.21, p = .003 0.27 0.84 0.13 25 56
Graf Estes & Hay (2015)* 16 t(15) = 2.28, p = .038 0.57 0.57 0.29 27 96
Gustafsson et al. (2015) 30 F(1,29) = 4.588, p = 0.041 0.14 0.32 0.07 52 108
Henderson & Scott (2015)* 16 t(15) = 2.20, p < 0.05 0.55 0.54 0.28 28 103
Hernik & Csibra (2015) 16 t(15) = 2.65, p = .018 0.66 0.69 0.33 21 75
Heron-Delaney et al. (2013) 18 t(17) = 2.44, p = .025 0.58 0.64 0.29 26 96
Hillairet de Boisferon et al. (2014) 23 t(22) = 2.89, p < .01 0.60 0.78 0.30 24 90
Hillairet de Boisferon et al. (2015) 18 t(17) = 2.29, p < .05 0.54 0.58 0.27 29 110
Hock et al. (2015) 15 t(14) = 2.84, p<.02 0.73 0.75 0.37 17 60
Imura et al. (2015) 19 t(18) = 4.39, p = 0.0004 1.01 0.98 0.51 10 33
Kampis et al. (2013) 22 F(1,21) = 7.03, p= 0.015 0.25 0.61 0.13 27 56
Kavsek & Marks (2015) 16 F(1, 15) = 55.13, p ≤ .001 0.79 1.00 0.39 5 16
Kwon et al. (2014) 36 t(35) = 4.32, p < .001 0.72 0.99 0.36 18 63
Lee et al. (2015) 23 t(21) = 2.60, p = 0.02 0.55 0.71 0.28 28 103
Lewkowicz (2013) 35 F(1, 67) = 4.30, p < .05 0.06 0.09 0.03 126 257
Lewkowicz et al. (2015)* 24 t(23) = 0.52, p = .30 0.11 0.08 0.06 651 2183
Libertus et al. (2014) 16 t(15)= 2.7, p < .02 0.67 0.71 0.34 20 70
Liu et al. (2015)* 11 t(10) = 3.16, p = 0.95 0.81 0.48 11 37
Longh et al. (2015) 15 F(1, 14) = 6.015, p < .028 0.30 0.58 0.15 22 48
Loucks & Sommerville (2013) 13 t(12) = 2.38, p = .035 0.66 0.59 0.33 21 75
Mackenzie et al. (2014) 16 t(15) = 3.56, p = .003 0.89 0.91 0.45 12 41
Matatyaho-Bullaro et al. (2014) 12 t(11) = 6.44, p < .001 1.94 1.00 0.97 5 11
May & Werker (2014)* 24 F(1, 22) = 10.67, p < .01 0.33 0.87 0.16 19 45
Moher & Feigenson (2013) 18 F(1,16) = 21.996, p < .001 0.58 1.00 0.29 9 23
Novack et al. (2013)* 16 t(15)=3.50, p<.003 0.88 0.91 0.44 13 43
Oakes & Kovack-Lesh (2013) 12 t(11)=2.06, p=.06 0.59 0.46 0.30 25 90
Otsuka et al. (2013) 12 t(11) = 3.04, p < .01 0.88 0.79 0.44 13 43
Ozturk et al. (2013) 12 t(11) = 2.77, p < .02 0.80 0.71 0.40 15 52
Park & Casasola (2015) 15 F(1, 32) = 20.86, p < .001 0.39 0.80 0.20 16 35
Perone & Spencer (2014)* 39 t(38) = 3.50, p < .001 0.56 0.93 0.28 28 103
Pruden et al. (2013)* 23 t(22) = 3.12, p < .05 0.65 0.84 0.33 21 75
Quinn & Liben (2014) 12 t(11) = 5.14, p = 1.48 0.99 0.74 6 17
Rigney & Wang (2013) 18 F(1, 17)=10.83, p<.004 0.39 0.87 0.19 16 37
Robson et al. (2014)* 24 t(23) = −2.305, p = .031 0.47 0.60 0.24 38 139
Sanefuji (2014) 12 t(10) = 2.79, p = .019 0.84 0.75 0.42 14 47
Sato et al. (2013) 14 t(13) = 3.04, p < 0.01 0.81 0.80 0.41 15 49
Skerry & Spelke (2014) 32 F(1,31) = 8.524, p = 0.006 0.27 0.84 0.13 25 56
Slone & Johnson (2015) 20 t(19) = 2.76, p < .05 0.62 0.75 0.31 23 84
Soley & Sebastián-Gallás (2015) 32 t(31) = 2.42, p = .02 0.42 0.63 0.21 47 180
Starr et al. (2013) 20 t(19) = 3.50, p < .005 0.78 0.91 0.39 15 54
Takashima et al. (2014) 13 t(12) = 2.46, p < .05 0.68 0.62 0.34 19 70
Tham et al. (2015) 12 t(10) = 2.342, p = .041 0.71 0.61 0.35 18 67
Träuble & Bätz (2014)* 15 t(14) = ?4.09, p < .001 1.06 0.97 0.53 10 30
Tsuruhara et al. (2014) 12 t(11) = 3.94, p < .01 1.14 0.95 0.57 9 27
Turati et al. (2013) 17 F(1,14) = 5.489; p = 0.034 0.28 0.58 0.14 24 52
Vukatana et al. (2015) 35 F(2, 68) = 3.27, p = .044 0.09 0.19 0.04 83 192
Woods & Wilcox (2013) 15 F(1, 14)= 7.57, p =.02 0.35 0.71 0.18 18 39
Yamashita et al. (2014)* 12 t(11) = 4.55, p = .0008 1.31 0.98 0.66 7 21
Zieber et al. (2014)* 16 t(15) = 2.54, p = .02 0.64 0.67 0.32 22 79
Zieber et al. (2015) 11 t(10) = 2.71, p < .03 0.81 0.63 0.41 15 49