Emma C. Stephens

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This study examined the correlates of new word learning in a sample of 64 typically developing children between 5 and 8 years of age and a group of 22 teenagers and young adults with Down syndrome. Verbal short-term memory and phonological awareness skills were assessed to determine whether learning new words involved accurately representing phonological(More)
Allergy prevalence in the general population has been increasing since the 1980s and there is increasing evidence of a higher incidence of allergy or asthma in elite athletes. For individuals suffering from allergy to airborne allergens, such as pollen, exercise may exacerbate their condition due to increased ventilation during exercise. The effect of an(More)
We investigate the interactions between natural resource-based poverty traps and food security for smallholder farms in highland Kenya using a recently developed system dynamics bio-economic model. This approach permits examination of the complex interactions and feedback between farm household economic decision-making and long-term soil fertility dynamics(More)
OBJECTIVE To examine the ability of children with intellectual disabilities to give reliable accounts of personally experienced events, considering the effects of delay, severity of disability, and the types of interview prompt used. METHOD In a between-subjects design, we compared children with intellectual disabilities (7-12 years) that fell in either(More)
This randomized controlled trial (RCT) evaluated the efficacy of the Promoting Alternative Thinking Strategies curriculum (PATHS; Kusche & Greenberg, 1994) as a means to improve children's social-emotional competence (assessed via the Social Skills Improvement System (SSIS); Gresham & Elliot, 2008) and mental health outcomes (assessed via the Strengths and(More)
Red/near-infrared light therapy (R/NIR-LT) has been developed as a treatment for a range of conditions, including injury to the central nervous system (CNS). However, clinical trials have reported variable or sub-optimal outcomes, possibly because there are few optimized treatment protocols for the different target tissues. Moreover, the low absolute, and(More)
a Pitzer College, 1050 N. Mills Avenue, Claremont, CA 91711, USA b Cornell University, Applied Economics and Management, 315 Warren Hall, Ithaca, NY 14853 USA c World Vision Canada, 1 World Drive, Mississauga, Ontario L5T 2Y4, Canada d Cornell University, Crop and Soil Sciences, 909 Bradfield Hall , Ithaca, NY 14853 USA e World Argoforestry Centre (ICRAF),(More)
Using a theoretical model borrowed from the literature on adjustment to booming tradable sectors, I find that the observed exponential growth in Canada’s agricultural, manufacturing and non-tradable sectors and wage and price trends between the turn of the century and the First World War are consistent with a model of tariff protection of the manufacturing(More)
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