Not New, but Nearly Forgotten: the Testing Effect Decreases or even Disappears as the Complexity of Learning Materials Increases
Crossref DOI link: https://doi.org/10.1007/s10648-015-9310-x
Published Online: 2015-05-16
Published Print: 2015-06
Update policy: https://doi.org/10.1007/springer_crossmark_policy
van Gog, Tamara
Sweller, John
License valid from 2015-05-16