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Demir, Özlem Ece; Rowe, Meredith L.; Heller, Gabriella; Goldin-Meadow, Susan; Levine, Susan C. – Developmental Psychology, 2015
This study examines the role of a particular kind of linguistic input--talk about the past and future, pretend, and explanations, that is, talk that is decontextualized--in the development of vocabulary, syntax, and narrative skill in typically developing (TD) children and children with pre- or perinatal brain injury (BI). Decontextualized talk…
Descriptors: Vocabulary Development, Syntax, Language Skills, Children
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Unlu, Fatih; Bozzi, Laurie; Layzer, Carolyn; Smith, Arthur; Price, Cristofer; Hurtig, Richard – Society for Research on Educational Effectiveness, 2013
In experimental studies, researchers are often interested in secondary research questions that explore important aspects of main findings, such as whether or not program effects vary according to the level of fidelity in which the program has been implemented; or according to the dosage received by individuals participated in the program. In this…
Descriptors: Fidelity, Program Implementation, Randomized Controlled Trials, Research Problems