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Scenario I
Scenario I is based on and presents results consistent with the following studies:
Snedeker, J., Geren, J., & Shafto, C. L. (2012) . Disentangling the effects of cognitive development and linguistic expertise: A longitudinal study of the acquisition of English in internationally-adopted children. Cognitive Psychology, 65(1) , 39-76. doi:10.1016/j.cogpsych.2012.01.004
Snedeker, J., Geren, J., & Shafto, C. L. (2007) . Starting over: International adoption as a natural experiment in language development. Psychological Science, 18(1) , 79-87. doi:10.1111/j.1467-9280.2007.01852.x
Language development occurs in orderly stages, beginning with one-word utterances and progressing to two-word utterances, simple sentences containing function morphemes, and the emergence of grammatical rules. Psycholinguists have attempted to determine if language development is a consequence of cognitive development or if it reflects linguistic processes that occur independently of general cognitive development. Studies on the acquisition of a second language in internationally adopted children have provided insight into this research question. In a series of studies, Snedeker et al. (2007, 2012) studied the acquisition of the English language in adopted preschoolers from China. These children had no exposure to the English language before being adopted by families in the United States.
Figure 9.1
-(Scenario I) Snedeker et al. (2007) refers to their research program as a "natural experiment." However, for which reason is it NOT an example of a true experimental design?
Distributive Justice
A principle concerned with the fair allocation of resources among diverse members of a community.
Libertarian
A political ideology favoring minimal state intervention in the personal and economic affairs of individuals, emphasizing freedom and voluntary association.
Egalitarian
Based on the principle that all people are equal and deserve equal rights and opportunities.
Equal Share
A division of assets, resources, or responsibilities among parties where each receives an identical portion or amount.
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