Jennifer L. Dyck

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The empathy-altruism hypothesis claims that prosocial motivation associated with feeling empathy for a person in need is directed toward the ultimate goal of benefiting that person, not toward some subtle form of self-benefit. We explored two new egoistic alternatives to this hypothesis. The empathy-specific reward hypothesis proposes that the prosocial(More)
OBJECTIVE To assess the impact of a daily oral iron supplementation on hematological status, cell-mediated immunity and susceptibility to infections in children living in an environment where iron deficiency, malaria and other infections are frequent. DESIGN Randomized, double-blind iron supplementation including a placebo group. SETTING A village in(More)
iTunes University, a website with downloadable educational podcasts, can provide students the opportunity to obtain professors’ lectures when students are unable to attend class. To determine the effectiveness of audio lectures in higher education, undergraduate general psychology students participated in one of two conditions. In the lecture condition,(More)
iTunes University, a website with downloadable educational podcasts, can provide students the opportunity to obtain professors’ lectures when students are unable to attend class. To determine the effectiveness of audio lectures in higher education, undergraduate general psychology students participated in one of two conditions. In the lecture condition,(More)
This study determined the response time (RT) for subjects to comprehend eight different BASIC statements and eight corresponding English procedural statements. First, there was no significant interaction between language and statement, and there was a high correlation (r = .85) between English and BASIC RT performance. Second, the microstructure of each(More)
The principles of cognitive psychology and human factors have been successfully applied to many aspects of human-computer interaction. Nevertheless, programming remains a difficult task. Researchers suggest that programming is a cognitively demanding task because of its inherent problem-solving nature (Nickerson, 1986; Anderson, 1985). Previous work has(More)
A prevalence study was carried out on 125 mothers and their newborns in Lome (Togo): at delivery 48% of the mothers and 30% of the newborns were anaemic according to WHO criteria. Iron deficiency was the major determinant of anaemia in the mothers, as three out of four showed at least one biochemical indicator of iron deficiency. Folate deficiency was(More)