Interleaved worked examples or faded worked examples

a. Worked examples are problems that have explicit instruction on how to solve the problem at each step. By interleaving worked examples and practice problems, students get a chance to study how the problem is solved and have an immediate chance to implement the process. Another way to use worked examples is through the fading of steps, by first giving more steps and then giving a new problem with less steps. There is some evidence that fading the later steps of a problem, backward-fading, is more beneficial that fading the earlier steps first, forward-fading. There is debate on this as the later steps are different knowledge components, and may be more difficult or the students may have less practice with them. (Pashler et al., 2007)