Influence of initial mathematical competencies on the effectiveness of a classroom-based intervention.
Marisol CueliDébora ArecesTrinidad GarcíaCelestino RodríguezGuillermo VallejoPaloma González-CastroPublished in: The British journal of educational psychology (2018)
Although all the three competency levels of the EG improved, the progression was different for each level. Results showed that students with low competency level improved substantially more than the students with medium and/or high baseline competency level.