“…Such materials have several potential benefits. For example, concrete materials can activate intuitive, real-world knowledge during learning (Baranes, Perry, & Stigler, 1989;Kotovsky, Hayes, & Simon, 1985), enable learners to construct their own knowledge of abstract concepts (Brown, McNeil, & Glenberg, 2009), and prompt physical action, which has been shown to improve understanding and retention (e.g., Martin & Schwartz, 2005). However, the mere use of concrete materials does not guarantee success (McNeil & Jarvin, 2007).…”