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. 2013 Aug 5;4:489. doi: 10.3389/fpsyg.2013.00489

Table 3.

Training effects of training group TG (n = 15) and waiting group WG (n = 17) on mathematical performance [Means (SD)].

Mathematical performance t1 t2 t-score (t2t1) F-scored t3 t-score (t3t2) ESe
AC Additiona TG 25.9 (10.8) 30.0 (14.1) 2.38* 3.26+ 34.4 (17.7) 1.95+ 0.31
WG 27.4 (10.7) 26.1 (12.0) −0.56 29.4 (11.7) 1.90+
AC Subtractiona TG 19.2 (12.7) 24.7 (17.1) 2.77* 5.32* 28.8 (17.9) 1.99+ 0.39
WG 19.6 (10.2) 18.9 (10.7) −0.39 26.3 (14.5) 4.11**
NL10, meanb TG 13.2 (10.1) 9.3 (10.6) −2.06+ 2.56 7.5 (5.0) −0.81 0.28
WG 10.3 (10.4) 12.3 (11.6) 0.65 6.1 (4.2) −2.70*
NL 10, varc TG 10.2 (6.3) 6.9 (6.5) −2.58* 4.92* 6.7 (4.6) −0.15 0.38
WG 7.4 (6.4) 9.4 (7.6) 1.02 4.9 (3.3) −3.10**
NL100, meanb TG 10.2 (4.8) 9.6 (6.4) −0.62 0.98 7.6 (3.3) −2.24* 0.18
WG 13.5 (6.0) 11.3 (5.7) −1.72 9.3 (7.0) −1.35
NL100, varc TG 7.7 (3.4) 8.2 (5.1) 0.39 0.47 6.2 (3.0) −2.15* 0.12
WG 9.7 (4.3) 9.1 (5.2) −0.59 8.2 (5.8) −0.79
NL1000, meanb TG 18.5 (10.9) 16.1 (7.5) −1.61 0.70 12.9 (6.7) −1.79+ 0.15
WG 18.0 (7.3) 17.4 (8.1) −0.44 12.6 (5.6) −4.20**
NL 1000, varc TG 13.3 (7.1) 11.9 (5.7) −0.84 0.00 10.0 (6.4) −1.01 0.00
WG 13.5 (5.6) 12.0 (5.7) −1.13 10.0 (4.4) −1.87+
Estimationa TG 15.1 (3.9) 14.9 (3.2) −0.12 2.85 15.8 (2.1) 1.25 0.29
WG 13.6 (4.5) 16.3 (2.2) 2.25* 15.9 (2.9) −0.61
NCa TG 7.9 (1.9) 8.1 (1.5) 0.39 0.21 8.4 (1.6) 0.59 0.08
WG 7.4 (2.3) 7.8 (2.2) 0.94 8.0 (1.8) 0.19
HRT Additiona TG 18.7 (5.4) 20.4 (5.6) 2.47* 0.81 22.5 (5.4) 3.46** 0.16
WG 18.5 (4.8) 19.4 (4.3) 1.27 20.4 (5.7) 1.5
HRT Subtractiona TG 15.3 (6.1) 19.8 (5.3) 4.85*** 11.38** 20.2 (6.2) 0.59 0.52
WG 16.9 (6.3) 16.9 (5.6) 0.06 18.4 (5.7) 1.5
+

p < 0.1,

*

p < 0.05,

**

p < 0.01,

***

p < 0.001.

a

Number of correctly solved tasks.

b

Distance (percentage) from correct position.

c

Variance of distance (percentage) from correct position.

d

Time (t1–t2) × group.

e

Effect sizes of interaction time (t1–t2) × group. r = 0.10: small effect, r = 0.30: medium effect, r = 0.50: large effect.