TY - BOOK AU - Lachner, Andreas. AU - Lachner, Andreas. AU - Backfisch, Iris. AU - Hoogerheide, Vincent. AU - Van Gog, Tamara. TI - Timing matters! : : explaining between study phases enhances students' learning U1 - DPer 370.15 J826 April-May 2020 v. 112 n. 3-4 PY - 2020/// CY - Washington PB - American Psychological Association , KW - Psychology. KW - Problem solving N1 - Journal of Educational Psychology, vol. 112, no. 4, pages 841-853, May 2020 ER -