As a novel type of mobile game, addictive behavior has attracted the attention of researchers due to its possible negative impacts on several forms of psychological problems. In this research, we tested the relationship between academic performance, mobile game addiction (MGA), and mobile self-efficacy among undergraduates in Taiwan. An academic…

Many latent traits in the human sciences have a hierarchical structure. This study aimed to develop a new class of higher order item response theory models for hierarchical latent traits that are flexible in accommodating both dichotomous and polytomous items, to estimate both item and person parameters jointly, to allow users to specify…