- Robert and Elizabeth Bjork's Studies Investigating Retrieval-Based Learning Showed

Multiple Choice

- Robert and Elizabeth Bjork's studies investigating retrieval-based learning showed that:

A) The easier the retrieval test is, the greater the benefit of a successful retrieval
B) The more difficult the retrieval test is, the greater the benefit of a successful retrieval
C) The level of difficulty of the retrieval needs to vary according to the delay
D) The level of difficulty of the retrieval needs to vary according to the encoding variability hypothesis
E) Retrieval based learning is less effective than restudying the material previously learned