Understanding types of evidence: a guide for educators Add to my reading listDate of publication: October 2016Published by: Mathematica Policy ResearchAuthor(s): Doctor Alexandra Resch, Gregory Chojnacki, Alma Vigil, Ignacio Martinez and Steve Bates£: Invent to learn: making, tinkering and engineering in the classroom Add to my reading listDate of publication: 2013Published by: Constructing Modern Knowledge PressAuthor(s): Sylvia Lebow Martinez and Dr Gary Stager£: