Table 1 Estimate of the success model fixed effects.

From: Children’s limited tooling ability in a novel concurrent tool use task supports the innovation gap

Fixed Effects

Estimate

C.I. 95%

S.E

z

p

(Intercept)

0.42

[– 11.35, 9.95]

1.45

0.29

0.771

Concurrent

– 3.52

[– 15.91, – 0.44]

1.62

– 2.18

0.030

Group 2

– 1.33

[– 18.26, 15.74]

2.26

– 0.59

0.558

Age

6.90

[1.44, 30.99]

1.62

4.25

 < 0.001

Concurrent*Group 2

– 9.34

[– 42, – 0.35]

3.29

– 2.83

0.005