Cui, YZ; Lu, J*; Zhang, JW*; Shi, NZ; Liu, J; Meng, XB. A Stochastic Approximation Expectation Maximization Algorithm for Estimating Ramsay-curve Three-parameter Normal Ogive Model with Non-normal Latent Trait Distributions. —— Frontiers in Psychology, 13: 971126. JCR Q1. |