Factorial invariance and latent mean differences of scores on the achievement goal tendencies questionnaire across gender and age in a sample of Spanish students

1. Ingles, C.J.
2. Marzo, J.C.
3. Castejon, J.L.
4. Nuñez, J.C.
5. Valle, A.
6. Garcia-Fernandez, J.M.
7. Delgado, B.