id	keyword
ejpam-2768	model
ejpam-2768	anxiety
ejpam-2768	variables
ejpam-2768	santillán
ejpam-2768	fit
ejpam-2768	mathematics
ejpam-2768	matrix
ejpam-2768	factors
ejpam-2768	analysis
ejpam-2768	data
ejpam-2768	variance
ejpam-2768	index
ejpam-2768	pure
ejpam-2768	eur
ejpam-2768	appl
ejpam-2768	escalera
ejpam-2768	garcía
ejpam-2768	attitude