Children participating in a study in Guatemala were classified into high-nutrient-level or low-nutrient-level groups (Barrett and Frank, 1987). Compared to children with low nutrient levels, children with high nutrient levels ____
clung to their mothers more
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were more likely to persist in a frustrating situation
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were significantly more anxious
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were less likely to be energetic
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were more likely to persist in a frustrating situation
Psychology
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Which memory system has an unlimited capacity and can keep information for minutes or decades?
a. Short-term memory b. Long-term memory c. The sensory register d. Working memory
Psychology
Dr. Crisp wants to examine the question of whether personality traits change or are stable over time. What would be the best kind of research design that he could employ to study this topic?
a) a correlational study b) a case study c) a cross-sectional study d) a longitudinal study
Psychology