“…Although U.S. preschool teachers have been found to use relatively richer language, ask more cognitively challenging questions, and use more decontextualized language during book reading, there appears to be limited and inconsistent explicit attention to vocabulary in both preschool and kindergarten classrooms (Al Otaiba et al., ; Dickinson, Hofer, Barnes, & Grifenhagen, ; Gerde & Powell, ; Gest et al., ; Hindman, Wasik, & Erhart, ; Massey, Pence, Justice, & Bowles, ). In one study of a socioeconomically diverse sample of 55 kindergartens, only eight episodes of vocabulary instruction occurred per day, on average, and these did not focus on sophisticated words (Wright & Neuman, ). Another statewide sample of 81 early childhood classrooms saw less than 30 seconds focused on vocabulary during 20 minutes of language and literacy instruction, on average (Pelatti, Piasta, Justice, & O'Connell, ).…”