highly significantp < 0.001
All standardized factor loadings for all indicators were highly significant ( p < 0.001) and all significantly exceeded the 0.7 benchmark, vacillating from 0.709 to 0.811 for Growth Mindset, from 0.705 to 0.811 for Self-Belief, and from 0.752 to 0.809 for Effort Regulation, indicating strong item reliability (see Table 2 ; Fig. 2 ).