“…confirm their novelty (e.g., forlorn, Beck & McKeown, 2007), sophisticated words selected to ensure their relative novelty for the target age range (e.g., departed for 4-or 6-year-olds, Houston-Price, Howe, & Lintern, 2014), or completely novel pseudowords (e.g., manu, Horst et al, 2011). Studies that used confirmed unknown words (e.g., forlorn) included pretests or pilots to determine baseline word knowledge before storybook reading (e.g., Abel & Schuele, 2014; Wilkinson & Houston-Price, 2013) and therefore did not include non-storybook reading control groups.…”