["Education \/ Research","Education \/ Statistics","Education\/Research","Education\/Statistics","Mathematics \/ Probability & Statistics \/ General","Mathematics\/Probability & Statistics - General","Analysis of covariance.","Linear models (Statistics)","Structural equation modeling.","Analysis of covariance","Analysis of covariance.","EDUCATION \/ Statistics","Education","Education \/ Research","Education\/Research","Education\/Statistics","General","Linear models (Statistics)","Mathematics","Mathematics \/ Probability & Statistics \/ General","Mathematics\/Probability & Statistics - General","Multilevel models (Statistics)","Probability & Statistics","Probability & Statistics - General","Research","Statistics","Structural equation modeling","Structural equation modeling."]