Table 1.

Mediation mechanism underlying the growth mindset intervention impact.

	Population average effect			Between-school standard deviation		95% Plausible value range of school-specific effects
	Estimate	Effect size	p-Value	Estimate	p-Value
ITT effect on the outcome	0.213 (0.104)	0.224	0.040	0.240	0.065	[−0.257, 0.683]
NDE	0.174 (0.095)	0.183	0.069	0.195	0.111	[−0.208, 0.556]
NIE	0.040 (0.024)	0.042	0.103	0.026	0.050	[−0.011, 0.091]
T-by-M interaction effect	0.030 (0.027)	0.032	0.258	0.000	0.688	–