Mean radiant energies±standard deviation (J/cm2) delivered by the three groups of students before and after they received additional light-curing instruction using the MARC-PSNote: Greater energies were delivered by all three groups of students after instruction. Mean radiant energies±standard deviation (J/cm2) delivered by the three groups of students before and after they received additional light-curing instruction using the MARC-PSNote: Greater energies were delivered by all three groups of students after instruction. Marianne Federlin, and Richard Price J Dent Educ 2013;77:764-772 Journal of Dental Education